Home / 3,222-4,818.24-2,755.44

Finding the Fourth Proportional to 3,222, 4,818.24 and 2,755.44

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Solution

The fourth proportional to 3,222, 4,818.24 and 2,755.44 is: 4,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222 : 4,818.24 = 2,755.44 : x
  2. Step 2: Convert to fraction form
    3,222/4,818.24 = 2,755.44/x
  3. Step 3: Cross multiply
    3,222x = 4,818.24 × 2,755.44
  4. Step 4: Simplify right side
    3,222x = 13,276,371.23
  5. Step 5: Solve for x
    x = 13,276,371.23/3,222
  6. Step 6: Final answer
    x = 4,120.54

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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.