Home / 2,747.69-3,791.82-1,629.18

Finding the Fourth Proportional to 2,747.69, 3,791.82 and 1,629.18

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Solution

The fourth proportional to 2,747.69, 3,791.82 and 1,629.18 is: 2,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.69 : 3,791.82 = 1,629.18 : x
  2. Step 2: Convert to fraction form
    2,747.69/3,791.82 = 1,629.18/x
  3. Step 3: Cross multiply
    2,747.69x = 3,791.82 × 1,629.18
  4. Step 4: Simplify right side
    2,747.69x = 6,177,557.31
  5. Step 5: Solve for x
    x = 6,177,557.31/2,747.69
  6. Step 6: Final answer
    x = 2,248.27

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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.