Home / 3,251.89-4,487.87-1,854.61

Finding the Fourth Proportional to 3,251.89, 4,487.87 and 1,854.61

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Solution

The fourth proportional to 3,251.89, 4,487.87 and 1,854.61 is: 2,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.89 : 4,487.87 = 1,854.61 : x
  2. Step 2: Convert to fraction form
    3,251.89/4,487.87 = 1,854.61/x
  3. Step 3: Cross multiply
    3,251.89x = 4,487.87 × 1,854.61
  4. Step 4: Simplify right side
    3,251.89x = 8,323,239.31
  5. Step 5: Solve for x
    x = 8,323,239.31/3,251.89
  6. Step 6: Final answer
    x = 2,559.51

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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.