Home / 3,982.41-5,494.30-2,738.25

Finding the Fourth Proportional to 3,982.41, 5,494.30 and 2,738.25

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Solution

The fourth proportional to 3,982.41, 5,494.30 and 2,738.25 is: 3,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.41 : 5,494.30 = 2,738.25 : x
  2. Step 2: Convert to fraction form
    3,982.41/5,494.30 = 2,738.25/x
  3. Step 3: Cross multiply
    3,982.41x = 5,494.30 × 2,738.25
  4. Step 4: Simplify right side
    3,982.41x = 15,044,766.98
  5. Step 5: Solve for x
    x = 15,044,766.98/3,982.41
  6. Step 6: Final answer
    x = 3,777.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.