Home / 3,371.80-5,044.50-2,219.80

Finding the Fourth Proportional to 3,371.80, 5,044.50 and 2,219.80

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Solution

The fourth proportional to 3,371.80, 5,044.50 and 2,219.80 is: 3,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.80 : 5,044.50 = 2,219.80 : x
  2. Step 2: Convert to fraction form
    3,371.80/5,044.50 = 2,219.80/x
  3. Step 3: Cross multiply
    3,371.80x = 5,044.50 × 2,219.80
  4. Step 4: Simplify right side
    3,371.80x = 11,197,781.10
  5. Step 5: Solve for x
    x = 11,197,781.10/3,371.80
  6. Step 6: Final answer
    x = 3,321.01

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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.