Home / 3,431.25-5,141.97-2,734.74

Finding the Fourth Proportional to 3,431.25, 5,141.97 and 2,734.74

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Solution

The fourth proportional to 3,431.25, 5,141.97 and 2,734.74 is: 4,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.25 : 5,141.97 = 2,734.74 : x
  2. Step 2: Convert to fraction form
    3,431.25/5,141.97 = 2,734.74/x
  3. Step 3: Cross multiply
    3,431.25x = 5,141.97 × 2,734.74
  4. Step 4: Simplify right side
    3,431.25x = 14,061,951.04
  5. Step 5: Solve for x
    x = 14,061,951.04/3,431.25
  6. Step 6: Final answer
    x = 4,098.20

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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.