Home / 3,743.84-5,166.22-2,171.64

Finding the Fourth Proportional to 3,743.84, 5,166.22 and 2,171.64

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Solution

The fourth proportional to 3,743.84, 5,166.22 and 2,171.64 is: 2,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.84 : 5,166.22 = 2,171.64 : x
  2. Step 2: Convert to fraction form
    3,743.84/5,166.22 = 2,171.64/x
  3. Step 3: Cross multiply
    3,743.84x = 5,166.22 × 2,171.64
  4. Step 4: Simplify right side
    3,743.84x = 11,219,170.00
  5. Step 5: Solve for x
    x = 11,219,170.00/3,743.84
  6. Step 6: Final answer
    x = 2,996.70

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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.