Home / 3,850.64-5,769.43-2,091.62

Finding the Fourth Proportional to 3,850.64, 5,769.43 and 2,091.62

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Solution

The fourth proportional to 3,850.64, 5,769.43 and 2,091.62 is: 3,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.64 : 5,769.43 = 2,091.62 : x
  2. Step 2: Convert to fraction form
    3,850.64/5,769.43 = 2,091.62/x
  3. Step 3: Cross multiply
    3,850.64x = 5,769.43 × 2,091.62
  4. Step 4: Simplify right side
    3,850.64x = 12,067,464.37
  5. Step 5: Solve for x
    x = 12,067,464.37/3,850.64
  6. Step 6: Final answer
    x = 3,133.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.