Home / 3,821.25-5,271.17-2,227.71

Finding the Fourth Proportional to 3,821.25, 5,271.17 and 2,227.71

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Solution

The fourth proportional to 3,821.25, 5,271.17 and 2,227.71 is: 3,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.25 : 5,271.17 = 2,227.71 : x
  2. Step 2: Convert to fraction form
    3,821.25/5,271.17 = 2,227.71/x
  3. Step 3: Cross multiply
    3,821.25x = 5,271.17 × 2,227.71
  4. Step 4: Simplify right side
    3,821.25x = 11,742,626.98
  5. Step 5: Solve for x
    x = 11,742,626.98/3,821.25
  6. Step 6: Final answer
    x = 3,072.98

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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.