Home / 3,679.30-5,519.33-1,179.61

Finding the Fourth Proportional to 3,679.30, 5,519.33 and 1,179.61

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Solution

The fourth proportional to 3,679.30, 5,519.33 and 1,179.61 is: 1,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.30 : 5,519.33 = 1,179.61 : x
  2. Step 2: Convert to fraction form
    3,679.30/5,519.33 = 1,179.61/x
  3. Step 3: Cross multiply
    3,679.30x = 5,519.33 × 1,179.61
  4. Step 4: Simplify right side
    3,679.30x = 6,510,629.26
  5. Step 5: Solve for x
    x = 6,510,629.26/3,679.30
  6. Step 6: Final answer
    x = 1,769.53

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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.