Home / 1,324.24-1,986.13-502.29

Finding the Fourth Proportional to 1,324.24, 1,986.13 and 502.29

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Solution

The fourth proportional to 1,324.24, 1,986.13 and 502.29 is: 753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.24 : 1,986.13 = 502.29 : x
  2. Step 2: Convert to fraction form
    1,324.24/1,986.13 = 502.29/x
  3. Step 3: Cross multiply
    1,324.24x = 1,986.13 × 502.29
  4. Step 4: Simplify right side
    1,324.24x = 997,613.24
  5. Step 5: Solve for x
    x = 997,613.24/1,324.24
  6. Step 6: Final answer
    x = 753.35

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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.