Home / 3,645.55-5,469.11-1,180.61

Finding the Fourth Proportional to 3,645.55, 5,469.11 and 1,180.61

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Solution

The fourth proportional to 3,645.55, 5,469.11 and 1,180.61 is: 1,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.55 : 5,469.11 = 1,180.61 : x
  2. Step 2: Convert to fraction form
    3,645.55/5,469.11 = 1,180.61/x
  3. Step 3: Cross multiply
    3,645.55x = 5,469.11 × 1,180.61
  4. Step 4: Simplify right side
    3,645.55x = 6,456,902.58
  5. Step 5: Solve for x
    x = 6,456,902.58/3,645.55
  6. Step 6: Final answer
    x = 1,771.17

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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.