Home / 3,299.97-4,942.14-2,864.78

Finding the Fourth Proportional to 3,299.97, 4,942.14 and 2,864.78

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Solution

The fourth proportional to 3,299.97, 4,942.14 and 2,864.78 is: 4,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.97 : 4,942.14 = 2,864.78 : x
  2. Step 2: Convert to fraction form
    3,299.97/4,942.14 = 2,864.78/x
  3. Step 3: Cross multiply
    3,299.97x = 4,942.14 × 2,864.78
  4. Step 4: Simplify right side
    3,299.97x = 14,158,119.12
  5. Step 5: Solve for x
    x = 14,158,119.12/3,299.97
  6. Step 6: Final answer
    x = 4,290.38

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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.