Home / 3,442.20-5,163.30-3,067.80

Finding the Fourth Proportional to 3,442.20, 5,163.30 and 3,067.80

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Solution

The fourth proportional to 3,442.20, 5,163.30 and 3,067.80 is: 4,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.20 : 5,163.30 = 3,067.80 : x
  2. Step 2: Convert to fraction form
    3,442.20/5,163.30 = 3,067.80/x
  3. Step 3: Cross multiply
    3,442.20x = 5,163.30 × 3,067.80
  4. Step 4: Simplify right side
    3,442.20x = 15,839,971.74
  5. Step 5: Solve for x
    x = 15,839,971.74/3,442.20
  6. Step 6: Final answer
    x = 4,601.70

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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.