Home / 2,941.17-4,067.82-2,891.96

Finding the Fourth Proportional to 2,941.17, 4,067.82 and 2,891.96

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Solution

The fourth proportional to 2,941.17, 4,067.82 and 2,891.96 is: 3,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.17 : 4,067.82 = 2,891.96 : x
  2. Step 2: Convert to fraction form
    2,941.17/4,067.82 = 2,891.96/x
  3. Step 3: Cross multiply
    2,941.17x = 4,067.82 × 2,891.96
  4. Step 4: Simplify right side
    2,941.17x = 11,763,972.73
  5. Step 5: Solve for x
    x = 11,763,972.73/2,941.17
  6. Step 6: Final answer
    x = 3,999.76

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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.