Home / 3,964.80-5,942.32-2,229.80

Finding the Fourth Proportional to 3,964.80, 5,942.32 and 2,229.80

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Solution

The fourth proportional to 3,964.80, 5,942.32 and 2,229.80 is: 3,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.80 : 5,942.32 = 2,229.80 : x
  2. Step 2: Convert to fraction form
    3,964.80/5,942.32 = 2,229.80/x
  3. Step 3: Cross multiply
    3,964.80x = 5,942.32 × 2,229.80
  4. Step 4: Simplify right side
    3,964.80x = 13,250,185.14
  5. Step 5: Solve for x
    x = 13,250,185.14/3,964.80
  6. Step 6: Final answer
    x = 3,341.96

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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.