Home / 3,474.36-5,213.97-2,379.78

Finding the Fourth Proportional to 3,474.36, 5,213.97 and 2,379.78

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Solution

The fourth proportional to 3,474.36, 5,213.97 and 2,379.78 is: 3,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.36 : 5,213.97 = 2,379.78 : x
  2. Step 2: Convert to fraction form
    3,474.36/5,213.97 = 2,379.78/x
  3. Step 3: Cross multiply
    3,474.36x = 5,213.97 × 2,379.78
  4. Step 4: Simplify right side
    3,474.36x = 12,408,101.53
  5. Step 5: Solve for x
    x = 12,408,101.53/3,474.36
  6. Step 6: Final answer
    x = 3,571.33

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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.