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Finding the Fourth Proportional to 3,135.94, 4,327.77 and 1,791.94

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Solution

The fourth proportional to 3,135.94, 4,327.77 and 1,791.94 is: 2,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.94 : 4,327.77 = 1,791.94 : x
  2. Step 2: Convert to fraction form
    3,135.94/4,327.77 = 1,791.94/x
  3. Step 3: Cross multiply
    3,135.94x = 4,327.77 × 1,791.94
  4. Step 4: Simplify right side
    3,135.94x = 7,755,104.17
  5. Step 5: Solve for x
    x = 7,755,104.17/3,135.94
  6. Step 6: Final answer
    x = 2,472.98

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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.