Home / 3,439.50-5,157.24-1,357.08

Finding the Fourth Proportional to 3,439.50, 5,157.24 and 1,357.08

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Solution

The fourth proportional to 3,439.50, 5,157.24 and 1,357.08 is: 2,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.50 : 5,157.24 = 1,357.08 : x
  2. Step 2: Convert to fraction form
    3,439.50/5,157.24 = 1,357.08/x
  3. Step 3: Cross multiply
    3,439.50x = 5,157.24 × 1,357.08
  4. Step 4: Simplify right side
    3,439.50x = 6,998,787.26
  5. Step 5: Solve for x
    x = 6,998,787.26/3,439.50
  6. Step 6: Final answer
    x = 2,034.83

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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.