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Finding the Fourth Proportional to 2,394.97, 3,592.76 and 915.10

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Solution

The fourth proportional to 2,394.97, 3,592.76 and 915.10 is: 1,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.97 : 3,592.76 = 915.10 : x
  2. Step 2: Convert to fraction form
    2,394.97/3,592.76 = 915.10/x
  3. Step 3: Cross multiply
    2,394.97x = 3,592.76 × 915.10
  4. Step 4: Simplify right side
    2,394.97x = 3,287,721.12
  5. Step 5: Solve for x
    x = 3,287,721.12/2,394.97
  6. Step 6: Final answer
    x = 1,372.76

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1.5x scale

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.