Home / 3,936.11-5,904.81-1,163.06

Finding the Fourth Proportional to 3,936.11, 5,904.81 and 1,163.06

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Solution

The fourth proportional to 3,936.11, 5,904.81 and 1,163.06 is: 1,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.11 : 5,904.81 = 1,163.06 : x
  2. Step 2: Convert to fraction form
    3,936.11/5,904.81 = 1,163.06/x
  3. Step 3: Cross multiply
    3,936.11x = 5,904.81 × 1,163.06
  4. Step 4: Simplify right side
    3,936.11x = 6,867,648.32
  5. Step 5: Solve for x
    x = 6,867,648.32/3,936.11
  6. Step 6: Final answer
    x = 1,744.78

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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.