Home / 3,442.87-5,159.71-1,249.52

Finding the Fourth Proportional to 3,442.87, 5,159.71 and 1,249.52

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Solution

The fourth proportional to 3,442.87, 5,159.71 and 1,249.52 is: 1,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.87 : 5,159.71 = 1,249.52 : x
  2. Step 2: Convert to fraction form
    3,442.87/5,159.71 = 1,249.52/x
  3. Step 3: Cross multiply
    3,442.87x = 5,159.71 × 1,249.52
  4. Step 4: Simplify right side
    3,442.87x = 6,447,154.59
  5. Step 5: Solve for x
    x = 6,447,154.59/3,442.87
  6. Step 6: Final answer
    x = 1,872.61

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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.