Home / 2,981.31-4,471.97-1,227.26

Finding the Fourth Proportional to 2,981.31, 4,471.97 and 1,227.26

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Solution

The fourth proportional to 2,981.31, 4,471.97 and 1,227.26 is: 1,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.31 : 4,471.97 = 1,227.26 : x
  2. Step 2: Convert to fraction form
    2,981.31/4,471.97 = 1,227.26/x
  3. Step 3: Cross multiply
    2,981.31x = 4,471.97 × 1,227.26
  4. Step 4: Simplify right side
    2,981.31x = 5,488,241.41
  5. Step 5: Solve for x
    x = 5,488,241.41/2,981.31
  6. Step 6: Final answer
    x = 1,840.88

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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.