Home / 2,264.89-3,397.29-621.43

Finding the Fourth Proportional to 2,264.89, 3,397.29 and 621.43

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Solution

The fourth proportional to 2,264.89, 3,397.29 and 621.43 is: 932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.89 : 3,397.29 = 621.43 : x
  2. Step 2: Convert to fraction form
    2,264.89/3,397.29 = 621.43/x
  3. Step 3: Cross multiply
    2,264.89x = 3,397.29 × 621.43
  4. Step 4: Simplify right side
    2,264.89x = 2,111,177.92
  5. Step 5: Solve for x
    x = 2,111,177.92/2,264.89
  6. Step 6: Final answer
    x = 932.13

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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.