Home / 3,790.38-5,229.90-2,217.54

Finding the Fourth Proportional to 3,790.38, 5,229.90 and 2,217.54

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Solution

The fourth proportional to 3,790.38, 5,229.90 and 2,217.54 is: 3,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.38 : 5,229.90 = 2,217.54 : x
  2. Step 2: Convert to fraction form
    3,790.38/5,229.90 = 2,217.54/x
  3. Step 3: Cross multiply
    3,790.38x = 5,229.90 × 2,217.54
  4. Step 4: Simplify right side
    3,790.38x = 11,597,512.45
  5. Step 5: Solve for x
    x = 11,597,512.45/3,790.38
  6. Step 6: Final answer
    x = 3,059.72

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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.