Home / 3,265.92-4,891.32-2,617.20

Finding the Fourth Proportional to 3,265.92, 4,891.32 and 2,617.20

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Solution

The fourth proportional to 3,265.92, 4,891.32 and 2,617.20 is: 3,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.92 : 4,891.32 = 2,617.20 : x
  2. Step 2: Convert to fraction form
    3,265.92/4,891.32 = 2,617.20/x
  3. Step 3: Cross multiply
    3,265.92x = 4,891.32 × 2,617.20
  4. Step 4: Simplify right side
    3,265.92x = 12,801,562.70
  5. Step 5: Solve for x
    x = 12,801,562.70/3,265.92
  6. Step 6: Final answer
    x = 3,919.74

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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.