Home / 3,908.22-5,393.07-2,229.69

Finding the Fourth Proportional to 3,908.22, 5,393.07 and 2,229.69

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Solution

The fourth proportional to 3,908.22, 5,393.07 and 2,229.69 is: 3,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.22 : 5,393.07 = 2,229.69 : x
  2. Step 2: Convert to fraction form
    3,908.22/5,393.07 = 2,229.69/x
  3. Step 3: Cross multiply
    3,908.22x = 5,393.07 × 2,229.69
  4. Step 4: Simplify right side
    3,908.22x = 12,024,874.25
  5. Step 5: Solve for x
    x = 12,024,874.25/3,908.22
  6. Step 6: Final answer
    x = 3,076.82

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Half scale
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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.