Home / 3,631.92-5,449.22-2,070.96

Finding the Fourth Proportional to 3,631.92, 5,449.22 and 2,070.96

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Solution

The fourth proportional to 3,631.92, 5,449.22 and 2,070.96 is: 3,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.92 : 5,449.22 = 2,070.96 : x
  2. Step 2: Convert to fraction form
    3,631.92/5,449.22 = 2,070.96/x
  3. Step 3: Cross multiply
    3,631.92x = 5,449.22 × 2,070.96
  4. Step 4: Simplify right side
    3,631.92x = 11,285,116.65
  5. Step 5: Solve for x
    x = 11,285,116.65/3,631.92
  6. Step 6: Final answer
    x = 3,107.20

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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.