Home / 3,439.62-5,159.52-1,248.48

Finding the Fourth Proportional to 3,439.62, 5,159.52 and 1,248.48

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Solution

The fourth proportional to 3,439.62, 5,159.52 and 1,248.48 is: 1,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.62 : 5,159.52 = 1,248.48 : x
  2. Step 2: Convert to fraction form
    3,439.62/5,159.52 = 1,248.48/x
  3. Step 3: Cross multiply
    3,439.62x = 5,159.52 × 1,248.48
  4. Step 4: Simplify right side
    3,439.62x = 6,441,557.53
  5. Step 5: Solve for x
    x = 6,441,557.53/3,439.62
  6. Step 6: Final answer
    x = 1,872.75

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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.