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Finding the Fourth Proportional to 3,375.52, 5,058.08 and 1,729.76

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Solution

The fourth proportional to 3,375.52, 5,058.08 and 1,729.76 is: 2,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.52 : 5,058.08 = 1,729.76 : x
  2. Step 2: Convert to fraction form
    3,375.52/5,058.08 = 1,729.76/x
  3. Step 3: Cross multiply
    3,375.52x = 5,058.08 × 1,729.76
  4. Step 4: Simplify right side
    3,375.52x = 8,749,264.46
  5. Step 5: Solve for x
    x = 8,749,264.46/3,375.52
  6. Step 6: Final answer
    x = 2,591.98

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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.