Home / 3,963.25-5,945.95-1,654.21

Finding the Fourth Proportional to 3,963.25, 5,945.95 and 1,654.21

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Solution

The fourth proportional to 3,963.25, 5,945.95 and 1,654.21 is: 2,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.25 : 5,945.95 = 1,654.21 : x
  2. Step 2: Convert to fraction form
    3,963.25/5,945.95 = 1,654.21/x
  3. Step 3: Cross multiply
    3,963.25x = 5,945.95 × 1,654.21
  4. Step 4: Simplify right side
    3,963.25x = 9,835,849.95
  5. Step 5: Solve for x
    x = 9,835,849.95/3,963.25
  6. Step 6: Final answer
    x = 2,481.76

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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.