Home / 3,380.60-5,071.88-1,040.94

Finding the Fourth Proportional to 3,380.60, 5,071.88 and 1,040.94

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Solution

The fourth proportional to 3,380.60, 5,071.88 and 1,040.94 is: 1,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.60 : 5,071.88 = 1,040.94 : x
  2. Step 2: Convert to fraction form
    3,380.60/5,071.88 = 1,040.94/x
  3. Step 3: Cross multiply
    3,380.60x = 5,071.88 × 1,040.94
  4. Step 4: Simplify right side
    3,380.60x = 5,279,517.56
  5. Step 5: Solve for x
    x = 5,279,517.56/3,380.60
  6. Step 6: Final answer
    x = 1,561.71

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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.