Home / 3,376.68-5,057.19-1,729.14

Finding the Fourth Proportional to 3,376.68, 5,057.19 and 1,729.14

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Solution

The fourth proportional to 3,376.68, 5,057.19 and 1,729.14 is: 2,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.68 : 5,057.19 = 1,729.14 : x
  2. Step 2: Convert to fraction form
    3,376.68/5,057.19 = 1,729.14/x
  3. Step 3: Cross multiply
    3,376.68x = 5,057.19 × 1,729.14
  4. Step 4: Simplify right side
    3,376.68x = 8,744,589.52
  5. Step 5: Solve for x
    x = 8,744,589.52/3,376.68
  6. Step 6: Final answer
    x = 2,589.70

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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.