Home / 3,847.03-5,771.13-1,249.75

Finding the Fourth Proportional to 3,847.03, 5,771.13 and 1,249.75

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Solution

The fourth proportional to 3,847.03, 5,771.13 and 1,249.75 is: 1,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.03 : 5,771.13 = 1,249.75 : x
  2. Step 2: Convert to fraction form
    3,847.03/5,771.13 = 1,249.75/x
  3. Step 3: Cross multiply
    3,847.03x = 5,771.13 × 1,249.75
  4. Step 4: Simplify right side
    3,847.03x = 7,212,469.72
  5. Step 5: Solve for x
    x = 7,212,469.72/3,847.03
  6. Step 6: Final answer
    x = 1,874.82

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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.