Home / 3,691.44-5,539.60-1,610.80

Finding the Fourth Proportional to 3,691.44, 5,539.60 and 1,610.80

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Solution

The fourth proportional to 3,691.44, 5,539.60 and 1,610.80 is: 2,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.44 : 5,539.60 = 1,610.80 : x
  2. Step 2: Convert to fraction form
    3,691.44/5,539.60 = 1,610.80/x
  3. Step 3: Cross multiply
    3,691.44x = 5,539.60 × 1,610.80
  4. Step 4: Simplify right side
    3,691.44x = 8,923,187.68
  5. Step 5: Solve for x
    x = 8,923,187.68/3,691.44
  6. Step 6: Final answer
    x = 2,417.26

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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.