Home / 3,608.38-5,412.84-1,011.52

Finding the Fourth Proportional to 3,608.38, 5,412.84 and 1,011.52

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Solution

The fourth proportional to 3,608.38, 5,412.84 and 1,011.52 is: 1,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.38 : 5,412.84 = 1,011.52 : x
  2. Step 2: Convert to fraction form
    3,608.38/5,412.84 = 1,011.52/x
  3. Step 3: Cross multiply
    3,608.38x = 5,412.84 × 1,011.52
  4. Step 4: Simplify right side
    3,608.38x = 5,475,195.92
  5. Step 5: Solve for x
    x = 5,475,195.92/3,608.38
  6. Step 6: Final answer
    x = 1,517.36

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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.