Home / 1,324.16-1,985.76-502.01

Finding the Fourth Proportional to 1,324.16, 1,985.76 and 502.01

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Solution

The fourth proportional to 1,324.16, 1,985.76 and 502.01 is: 752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.16 : 1,985.76 = 502.01 : x
  2. Step 2: Convert to fraction form
    1,324.16/1,985.76 = 502.01/x
  3. Step 3: Cross multiply
    1,324.16x = 1,985.76 × 502.01
  4. Step 4: Simplify right side
    1,324.16x = 996,871.38
  5. Step 5: Solve for x
    x = 996,871.38/1,324.16
  6. Step 6: Final answer
    x = 752.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.