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Finding the Fourth Proportional to 3,251.68, 4,487.52 and 1,854.52

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Solution

The fourth proportional to 3,251.68, 4,487.52 and 1,854.52 is: 2,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.68 : 4,487.52 = 1,854.52 : x
  2. Step 2: Convert to fraction form
    3,251.68/4,487.52 = 1,854.52/x
  3. Step 3: Cross multiply
    3,251.68x = 4,487.52 × 1,854.52
  4. Step 4: Simplify right side
    3,251.68x = 8,322,195.59
  5. Step 5: Solve for x
    x = 8,322,195.59/3,251.68
  6. Step 6: Final answer
    x = 2,559.35

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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.