Home / 3,109.38-4,664.07-2,132.52

Finding the Fourth Proportional to 3,109.38, 4,664.07 and 2,132.52

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Solution

The fourth proportional to 3,109.38, 4,664.07 and 2,132.52 is: 3,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.38 : 4,664.07 = 2,132.52 : x
  2. Step 2: Convert to fraction form
    3,109.38/4,664.07 = 2,132.52/x
  3. Step 3: Cross multiply
    3,109.38x = 4,664.07 × 2,132.52
  4. Step 4: Simplify right side
    3,109.38x = 9,946,222.56
  5. Step 5: Solve for x
    x = 9,946,222.56/3,109.38
  6. Step 6: Final answer
    x = 3,198.78

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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.