Home / 3,908.25-5,393.41-2,229.64

Finding the Fourth Proportional to 3,908.25, 5,393.41 and 2,229.64

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Solution

The fourth proportional to 3,908.25, 5,393.41 and 2,229.64 is: 3,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.25 : 5,393.41 = 2,229.64 : x
  2. Step 2: Convert to fraction form
    3,908.25/5,393.41 = 2,229.64/x
  3. Step 3: Cross multiply
    3,908.25x = 5,393.41 × 2,229.64
  4. Step 4: Simplify right side
    3,908.25x = 12,025,357.47
  5. Step 5: Solve for x
    x = 12,025,357.47/3,908.25
  6. Step 6: Final answer
    x = 3,076.92

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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.