Home / 3,743.82-5,166.18-2,172.02

Finding the Fourth Proportional to 3,743.82, 5,166.18 and 2,172.02

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Solution

The fourth proportional to 3,743.82, 5,166.18 and 2,172.02 is: 2,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.82 : 5,166.18 = 2,172.02 : x
  2. Step 2: Convert to fraction form
    3,743.82/5,166.18 = 2,172.02/x
  3. Step 3: Cross multiply
    3,743.82x = 5,166.18 × 2,172.02
  4. Step 4: Simplify right side
    3,743.82x = 11,221,020.45
  5. Step 5: Solve for x
    x = 11,221,020.45/3,743.82
  6. Step 6: Final answer
    x = 2,997.21

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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.