Home / 3,769.96-5,202.84-2,091.88

Finding the Fourth Proportional to 3,769.96, 5,202.84 and 2,091.88

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Solution

The fourth proportional to 3,769.96, 5,202.84 and 2,091.88 is: 2,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.96 : 5,202.84 = 2,091.88 : x
  2. Step 2: Convert to fraction form
    3,769.96/5,202.84 = 2,091.88/x
  3. Step 3: Cross multiply
    3,769.96x = 5,202.84 × 2,091.88
  4. Step 4: Simplify right side
    3,769.96x = 10,883,716.94
  5. Step 5: Solve for x
    x = 10,883,716.94/3,769.96
  6. Step 6: Final answer
    x = 2,886.96

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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.