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Finding the Fourth Proportional to 2,924.38, 4,379.09 and 1,934.16

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Solution

The fourth proportional to 2,924.38, 4,379.09 and 1,934.16 is: 2,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.38 : 4,379.09 = 1,934.16 : x
  2. Step 2: Convert to fraction form
    2,924.38/4,379.09 = 1,934.16/x
  3. Step 3: Cross multiply
    2,924.38x = 4,379.09 × 1,934.16
  4. Step 4: Simplify right side
    2,924.38x = 8,469,851.04
  5. Step 5: Solve for x
    x = 8,469,851.04/2,924.38
  6. Step 6: Final answer
    x = 2,896.29

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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.