Home / 3,932.32-5,426.66-2,253.80

Finding the Fourth Proportional to 3,932.32, 5,426.66 and 2,253.80

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Solution

The fourth proportional to 3,932.32, 5,426.66 and 2,253.80 is: 3,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.32 : 5,426.66 = 2,253.80 : x
  2. Step 2: Convert to fraction form
    3,932.32/5,426.66 = 2,253.80/x
  3. Step 3: Cross multiply
    3,932.32x = 5,426.66 × 2,253.80
  4. Step 4: Simplify right side
    3,932.32x = 12,230,606.31
  5. Step 5: Solve for x
    x = 12,230,606.31/3,932.32
  6. Step 6: Final answer
    x = 3,110.28

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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.