Home / 2,291.85-3,439.14-1,589.61

Finding the Fourth Proportional to 2,291.85, 3,439.14 and 1,589.61

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Solution

The fourth proportional to 2,291.85, 3,439.14 and 1,589.61 is: 2,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.85 : 3,439.14 = 1,589.61 : x
  2. Step 2: Convert to fraction form
    2,291.85/3,439.14 = 1,589.61/x
  3. Step 3: Cross multiply
    2,291.85x = 3,439.14 × 1,589.61
  4. Step 4: Simplify right side
    2,291.85x = 5,466,891.34
  5. Step 5: Solve for x
    x = 5,466,891.34/2,291.85
  6. Step 6: Final answer
    x = 2,385.36

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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.