Home / 3,790.32-5,229.76-2,217.64

Finding the Fourth Proportional to 3,790.32, 5,229.76 and 2,217.64

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Solution

The fourth proportional to 3,790.32, 5,229.76 and 2,217.64 is: 3,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.32 : 5,229.76 = 2,217.64 : x
  2. Step 2: Convert to fraction form
    3,790.32/5,229.76 = 2,217.64/x
  3. Step 3: Cross multiply
    3,790.32x = 5,229.76 × 2,217.64
  4. Step 4: Simplify right side
    3,790.32x = 11,597,724.97
  5. Step 5: Solve for x
    x = 11,597,724.97/3,790.32
  6. Step 6: Final answer
    x = 3,059.83

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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.