Home / 3,790.76-5,229.25-2,609.78

Finding the Fourth Proportional to 3,790.76, 5,229.25 and 2,609.78

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Solution

The fourth proportional to 3,790.76, 5,229.25 and 2,609.78 is: 3,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.76 : 5,229.25 = 2,609.78 : x
  2. Step 2: Convert to fraction form
    3,790.76/5,229.25 = 2,609.78/x
  3. Step 3: Cross multiply
    3,790.76x = 5,229.25 × 2,609.78
  4. Step 4: Simplify right side
    3,790.76x = 13,647,192.07
  5. Step 5: Solve for x
    x = 13,647,192.07/3,790.76
  6. Step 6: Final answer
    x = 3,600.12

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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.