Home / 3,540.17-5,309.33-1,591.92

Finding the Fourth Proportional to 3,540.17, 5,309.33 and 1,591.92

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Solution

The fourth proportional to 3,540.17, 5,309.33 and 1,591.92 is: 2,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.17 : 5,309.33 = 1,591.92 : x
  2. Step 2: Convert to fraction form
    3,540.17/5,309.33 = 1,591.92/x
  3. Step 3: Cross multiply
    3,540.17x = 5,309.33 × 1,591.92
  4. Step 4: Simplify right side
    3,540.17x = 8,452,020.65
  5. Step 5: Solve for x
    x = 8,452,020.65/3,540.17
  6. Step 6: Final answer
    x = 2,387.46

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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.