Home / 3,381.84-5,072.80-2,227.28

Finding the Fourth Proportional to 3,381.84, 5,072.80 and 2,227.28

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Solution

The fourth proportional to 3,381.84, 5,072.80 and 2,227.28 is: 3,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.84 : 5,072.80 = 2,227.28 : x
  2. Step 2: Convert to fraction form
    3,381.84/5,072.80 = 2,227.28/x
  3. Step 3: Cross multiply
    3,381.84x = 5,072.80 × 2,227.28
  4. Step 4: Simplify right side
    3,381.84x = 11,298,545.98
  5. Step 5: Solve for x
    x = 11,298,545.98/3,381.84
  6. Step 6: Final answer
    x = 3,340.95

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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.