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Finding the Fourth Proportional to 2,248.33, 3,372.50 and 787.15

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Solution

The fourth proportional to 2,248.33, 3,372.50 and 787.15 is: 1,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.33 : 3,372.50 = 787.15 : x
  2. Step 2: Convert to fraction form
    2,248.33/3,372.50 = 787.15/x
  3. Step 3: Cross multiply
    2,248.33x = 3,372.50 × 787.15
  4. Step 4: Simplify right side
    2,248.33x = 2,654,663.38
  5. Step 5: Solve for x
    x = 2,654,663.38/2,248.33
  6. Step 6: Final answer
    x = 1,180.73

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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.