Home / 3,591.26-5,388.61-1,859.88

Finding the Fourth Proportional to 3,591.26, 5,388.61 and 1,859.88

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Solution

The fourth proportional to 3,591.26, 5,388.61 and 1,859.88 is: 2,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.26 : 5,388.61 = 1,859.88 : x
  2. Step 2: Convert to fraction form
    3,591.26/5,388.61 = 1,859.88/x
  3. Step 3: Cross multiply
    3,591.26x = 5,388.61 × 1,859.88
  4. Step 4: Simplify right side
    3,591.26x = 10,022,167.97
  5. Step 5: Solve for x
    x = 10,022,167.97/3,591.26
  6. Step 6: Final answer
    x = 2,790.71

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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.