Home / 3,743.82-5,166.79-2,171.81

Finding the Fourth Proportional to 3,743.82, 5,166.79 and 2,171.81

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Solution

The fourth proportional to 3,743.82, 5,166.79 and 2,171.81 is: 2,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.82 : 5,166.79 = 2,171.81 : x
  2. Step 2: Convert to fraction form
    3,743.82/5,166.79 = 2,171.81/x
  3. Step 3: Cross multiply
    3,743.82x = 5,166.79 × 2,171.81
  4. Step 4: Simplify right side
    3,743.82x = 11,221,293.68
  5. Step 5: Solve for x
    x = 11,221,293.68/3,743.82
  6. Step 6: Final answer
    x = 2,997.28

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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.