Home / 2,478.82-3,717.03-1,227.97

Finding the Fourth Proportional to 2,478.82, 3,717.03 and 1,227.97

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Solution

The fourth proportional to 2,478.82, 3,717.03 and 1,227.97 is: 1,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.82 : 3,717.03 = 1,227.97 : x
  2. Step 2: Convert to fraction form
    2,478.82/3,717.03 = 1,227.97/x
  3. Step 3: Cross multiply
    2,478.82x = 3,717.03 × 1,227.97
  4. Step 4: Simplify right side
    2,478.82x = 4,564,401.33
  5. Step 5: Solve for x
    x = 4,564,401.33/2,478.82
  6. Step 6: Final answer
    x = 1,841.36

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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.