Home / 2,224.14-3,336.61-762.97

Finding the Fourth Proportional to 2,224.14, 3,336.61 and 762.97

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Solution

The fourth proportional to 2,224.14, 3,336.61 and 762.97 is: 1,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.14 : 3,336.61 = 762.97 : x
  2. Step 2: Convert to fraction form
    2,224.14/3,336.61 = 762.97/x
  3. Step 3: Cross multiply
    2,224.14x = 3,336.61 × 762.97
  4. Step 4: Simplify right side
    2,224.14x = 2,545,716.65
  5. Step 5: Solve for x
    x = 2,545,716.65/2,224.14
  6. Step 6: Final answer
    x = 1,144.59

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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.