Home / 3,936.35-5,905.07-1,163.25

Finding the Fourth Proportional to 3,936.35, 5,905.07 and 1,163.25

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Solution

The fourth proportional to 3,936.35, 5,905.07 and 1,163.25 is: 1,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.35 : 5,905.07 = 1,163.25 : x
  2. Step 2: Convert to fraction form
    3,936.35/5,905.07 = 1,163.25/x
  3. Step 3: Cross multiply
    3,936.35x = 5,905.07 × 1,163.25
  4. Step 4: Simplify right side
    3,936.35x = 6,869,066.86
  5. Step 5: Solve for x
    x = 6,869,066.86/3,936.35
  6. Step 6: Final answer
    x = 1,745.04

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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.