Home / 3,821.85-5,272.83-2,227.77

Finding the Fourth Proportional to 3,821.85, 5,272.83 and 2,227.77

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Solution

The fourth proportional to 3,821.85, 5,272.83 and 2,227.77 is: 3,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.85 : 5,272.83 = 2,227.77 : x
  2. Step 2: Convert to fraction form
    3,821.85/5,272.83 = 2,227.77/x
  3. Step 3: Cross multiply
    3,821.85x = 5,272.83 × 2,227.77
  4. Step 4: Simplify right side
    3,821.85x = 11,746,652.49
  5. Step 5: Solve for x
    x = 11,746,652.49/3,821.85
  6. Step 6: Final answer
    x = 3,073.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.