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Finding the Fourth Proportional to 4,124.53, 5,691.49 and 2,445.49

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Solution

The fourth proportional to 4,124.53, 5,691.49 and 2,445.49 is: 3,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.53 : 5,691.49 = 2,445.49 : x
  2. Step 2: Convert to fraction form
    4,124.53/5,691.49 = 2,445.49/x
  3. Step 3: Cross multiply
    4,124.53x = 5,691.49 × 2,445.49
  4. Step 4: Simplify right side
    4,124.53x = 13,918,481.88
  5. Step 5: Solve for x
    x = 13,918,481.88/4,124.53
  6. Step 6: Final answer
    x = 3,374.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.