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Finding the Fourth Proportional to 2,502.68, 3,753.94 and 653.72

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Solution

The fourth proportional to 2,502.68, 3,753.94 and 653.72 is: 980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.68 : 3,753.94 = 653.72 : x
  2. Step 2: Convert to fraction form
    2,502.68/3,753.94 = 653.72/x
  3. Step 3: Cross multiply
    2,502.68x = 3,753.94 × 653.72
  4. Step 4: Simplify right side
    2,502.68x = 2,454,025.66
  5. Step 5: Solve for x
    x = 2,454,025.66/2,502.68
  6. Step 6: Final answer
    x = 980.56

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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.