Proportion Calculator: Fast & Simple

This tool solves ratios quickly. It uses the formula a/b = c/d. It works for checking ratios or finding a missing number.

What It Does

The proportion calculator finds the missing number when three values are given. It checks the ratios when all values are filled. It gives clear results every time.

How to Use This Tool

Step-by-Step Instructions

1. Look at the input fields. They are labeled a, b, c, and d.
2. Enter numbers in three of the fields. Leave the missing value blank.
3. If you fill all fields, the tool will verify the ratio.
4. Press the Calculate button. The result will display below.

Explanation of Input Fields

Field a is the first number in the first fraction.

Field b is the second number in the first fraction.

Field c is the first number in the second fraction.

Field d is the second number in the second fraction.

Output Description

The output shows the solution or a check on the ratio. When a missing value is computed, the result displays the number and the method used.

If all values are entered, the tool confirms if the ratios are the same. Errors like division by zero are also reported.

Limitations and Special Notes

You must enter exactly three values to compute a missing value.

If field b or d is zero, the tool cannot complete the calculation.

The tool works only with numbers. It does not process text or symbols.

Examples of Common Use Cases

• Use the tool when you want to find a missing number in a proportion.
• Check if your provided ratios are correct.
• Use it for recipe adjustments or scale drawings.
• Apply it when doing math homework or financial calculations.

Final Thoughts

This proportion calculator is simple and practical. It saves you time by handling basic ratio problems. Follow the steps and get clear answers every time.