Home / 3,680.76-5,520.46-1,083.04

Finding the Fourth Proportional to 3,680.76, 5,520.46 and 1,083.04

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Solution

The fourth proportional to 3,680.76, 5,520.46 and 1,083.04 is: 1,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.76 : 5,520.46 = 1,083.04 : x
  2. Step 2: Convert to fraction form
    3,680.76/5,520.46 = 1,083.04/x
  3. Step 3: Cross multiply
    3,680.76x = 5,520.46 × 1,083.04
  4. Step 4: Simplify right side
    3,680.76x = 5,978,879.00
  5. Step 5: Solve for x
    x = 5,978,879.00/3,680.76
  6. Step 6: Final answer
    x = 1,624.36

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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.