Home / 2,150.38-3,224.52-917.11

Finding the Fourth Proportional to 2,150.38, 3,224.52 and 917.11

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Solution

The fourth proportional to 2,150.38, 3,224.52 and 917.11 is: 1,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.38 : 3,224.52 = 917.11 : x
  2. Step 2: Convert to fraction form
    2,150.38/3,224.52 = 917.11/x
  3. Step 3: Cross multiply
    2,150.38x = 3,224.52 × 917.11
  4. Step 4: Simplify right side
    2,150.38x = 2,957,239.54
  5. Step 5: Solve for x
    x = 2,957,239.54/2,150.38
  6. Step 6: Final answer
    x = 1,375.22

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1.5x scale

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.