Home / 3,381.88-5,072.82-2,219.24

Finding the Fourth Proportional to 3,381.88, 5,072.82 and 2,219.24

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Solution

The fourth proportional to 3,381.88, 5,072.82 and 2,219.24 is: 3,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.88 : 5,072.82 = 2,219.24 : x
  2. Step 2: Convert to fraction form
    3,381.88/5,072.82 = 2,219.24/x
  3. Step 3: Cross multiply
    3,381.88x = 5,072.82 × 2,219.24
  4. Step 4: Simplify right side
    3,381.88x = 11,257,805.06
  5. Step 5: Solve for x
    x = 11,257,805.06/3,381.88
  6. Step 6: Final answer
    x = 3,328.86

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1.5x scale

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.