Home / 3,517.14-5,278.05-1,325.94

Finding the Fourth Proportional to 3,517.14, 5,278.05 and 1,325.94

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Solution

The fourth proportional to 3,517.14, 5,278.05 and 1,325.94 is: 1,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.14 : 5,278.05 = 1,325.94 : x
  2. Step 2: Convert to fraction form
    3,517.14/5,278.05 = 1,325.94/x
  3. Step 3: Cross multiply
    3,517.14x = 5,278.05 × 1,325.94
  4. Step 4: Simplify right side
    3,517.14x = 6,998,377.62
  5. Step 5: Solve for x
    x = 6,998,377.62/3,517.14
  6. Step 6: Final answer
    x = 1,989.79

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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.