Home / 3,432.62-5,150.82-1,872.56

Finding the Fourth Proportional to 3,432.62, 5,150.82 and 1,872.56

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Solution

The fourth proportional to 3,432.62, 5,150.82 and 1,872.56 is: 2,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.62 : 5,150.82 = 1,872.56 : x
  2. Step 2: Convert to fraction form
    3,432.62/5,150.82 = 1,872.56/x
  3. Step 3: Cross multiply
    3,432.62x = 5,150.82 × 1,872.56
  4. Step 4: Simplify right side
    3,432.62x = 9,645,219.50
  5. Step 5: Solve for x
    x = 9,645,219.50/3,432.62
  6. Step 6: Final answer
    x = 2,809.87

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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.