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Finding the Fourth Proportional to 3,773.31, 5,652.43 and 2,947.71

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Solution

The fourth proportional to 3,773.31, 5,652.43 and 2,947.71 is: 4,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.31 : 5,652.43 = 2,947.71 : x
  2. Step 2: Convert to fraction form
    3,773.31/5,652.43 = 2,947.71/x
  3. Step 3: Cross multiply
    3,773.31x = 5,652.43 × 2,947.71
  4. Step 4: Simplify right side
    3,773.31x = 16,661,724.44
  5. Step 5: Solve for x
    x = 16,661,724.44/3,773.31
  6. Step 6: Final answer
    x = 4,415.68

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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.