Home / 3,679.50-5,519.79-2,197.83

Finding the Fourth Proportional to 3,679.50, 5,519.79 and 2,197.83

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Solution

The fourth proportional to 3,679.50, 5,519.79 and 2,197.83 is: 3,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.50 : 5,519.79 = 2,197.83 : x
  2. Step 2: Convert to fraction form
    3,679.50/5,519.79 = 2,197.83/x
  3. Step 3: Cross multiply
    3,679.50x = 5,519.79 × 2,197.83
  4. Step 4: Simplify right side
    3,679.50x = 12,131,560.06
  5. Step 5: Solve for x
    x = 12,131,560.06/3,679.50
  6. Step 6: Final answer
    x = 3,297.07

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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.