Home / 3,743.64-5,166.82-2,857.76

Finding the Fourth Proportional to 3,743.64, 5,166.82 and 2,857.76

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Solution

The fourth proportional to 3,743.64, 5,166.82 and 2,857.76 is: 3,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.64 : 5,166.82 = 2,857.76 : x
  2. Step 2: Convert to fraction form
    3,743.64/5,166.82 = 2,857.76/x
  3. Step 3: Cross multiply
    3,743.64x = 5,166.82 × 2,857.76
  4. Step 4: Simplify right side
    3,743.64x = 14,765,531.52
  5. Step 5: Solve for x
    x = 14,765,531.52/3,743.64
  6. Step 6: Final answer
    x = 3,944.16

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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.