Home / 3,694.11-5,540.59-1,228.96

Finding the Fourth Proportional to 3,694.11, 5,540.59 and 1,228.96

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Solution

The fourth proportional to 3,694.11, 5,540.59 and 1,228.96 is: 1,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.11 : 5,540.59 = 1,228.96 : x
  2. Step 2: Convert to fraction form
    3,694.11/5,540.59 = 1,228.96/x
  3. Step 3: Cross multiply
    3,694.11x = 5,540.59 × 1,228.96
  4. Step 4: Simplify right side
    3,694.11x = 6,809,163.49
  5. Step 5: Solve for x
    x = 6,809,163.49/3,694.11
  6. Step 6: Final answer
    x = 1,843.25

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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.