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Finding the Fourth Proportional to 3,385.52, 5,079.79 and 2,152.60

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Solution

The fourth proportional to 3,385.52, 5,079.79 and 2,152.60 is: 3,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.52 : 5,079.79 = 2,152.60 : x
  2. Step 2: Convert to fraction form
    3,385.52/5,079.79 = 2,152.60/x
  3. Step 3: Cross multiply
    3,385.52x = 5,079.79 × 2,152.60
  4. Step 4: Simplify right side
    3,385.52x = 10,934,755.95
  5. Step 5: Solve for x
    x = 10,934,755.95/3,385.52
  6. Step 6: Final answer
    x = 3,229.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.