Home / 3,911.24-5,397.66-2,232.92

Finding the Fourth Proportional to 3,911.24, 5,397.66 and 2,232.92

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Solution

The fourth proportional to 3,911.24, 5,397.66 and 2,232.92 is: 3,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.24 : 5,397.66 = 2,232.92 : x
  2. Step 2: Convert to fraction form
    3,911.24/5,397.66 = 2,232.92/x
  3. Step 3: Cross multiply
    3,911.24x = 5,397.66 × 2,232.92
  4. Step 4: Simplify right side
    3,911.24x = 12,052,542.97
  5. Step 5: Solve for x
    x = 12,052,542.97/3,911.24
  6. Step 6: Final answer
    x = 3,081.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.