Home / 3,738.80-5,608.11-1,141.76

Finding the Fourth Proportional to 3,738.80, 5,608.11 and 1,141.76

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Solution

The fourth proportional to 3,738.80, 5,608.11 and 1,141.76 is: 1,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.80 : 5,608.11 = 1,141.76 : x
  2. Step 2: Convert to fraction form
    3,738.80/5,608.11 = 1,141.76/x
  3. Step 3: Cross multiply
    3,738.80x = 5,608.11 × 1,141.76
  4. Step 4: Simplify right side
    3,738.80x = 6,403,115.67
  5. Step 5: Solve for x
    x = 6,403,115.67/3,738.80
  6. Step 6: Final answer
    x = 1,712.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.