Home / 3,680.87-5,517.96-1,339.22

Finding the Fourth Proportional to 3,680.87, 5,517.96 and 1,339.22

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Solution

The fourth proportional to 3,680.87, 5,517.96 and 1,339.22 is: 2,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.87 : 5,517.96 = 1,339.22 : x
  2. Step 2: Convert to fraction form
    3,680.87/5,517.96 = 1,339.22/x
  3. Step 3: Cross multiply
    3,680.87x = 5,517.96 × 1,339.22
  4. Step 4: Simplify right side
    3,680.87x = 7,389,762.39
  5. Step 5: Solve for x
    x = 7,389,762.39/3,680.87
  6. Step 6: Final answer
    x = 2,007.61

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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.