Home / 2,951.11-4,072.41-1,691.29

Finding the Fourth Proportional to 2,951.11, 4,072.41 and 1,691.29

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Solution

The fourth proportional to 2,951.11, 4,072.41 and 1,691.29 is: 2,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.11 : 4,072.41 = 1,691.29 : x
  2. Step 2: Convert to fraction form
    2,951.11/4,072.41 = 1,691.29/x
  3. Step 3: Cross multiply
    2,951.11x = 4,072.41 × 1,691.29
  4. Step 4: Simplify right side
    2,951.11x = 6,887,631.40
  5. Step 5: Solve for x
    x = 6,887,631.40/2,951.11
  6. Step 6: Final answer
    x = 2,333.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.