Home / 3,429.75-5,144.68-1,481.91

Finding the Fourth Proportional to 3,429.75, 5,144.68 and 1,481.91

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Solution

The fourth proportional to 3,429.75, 5,144.68 and 1,481.91 is: 2,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.75 : 5,144.68 = 1,481.91 : x
  2. Step 2: Convert to fraction form
    3,429.75/5,144.68 = 1,481.91/x
  3. Step 3: Cross multiply
    3,429.75x = 5,144.68 × 1,481.91
  4. Step 4: Simplify right side
    3,429.75x = 7,623,935.30
  5. Step 5: Solve for x
    x = 7,623,935.30/3,429.75
  6. Step 6: Final answer
    x = 2,222.88

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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.