Home / 3,972.61-5,481.81-2,294.56

Finding the Fourth Proportional to 3,972.61, 5,481.81 and 2,294.56

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Solution

The fourth proportional to 3,972.61, 5,481.81 and 2,294.56 is: 3,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.61 : 5,481.81 = 2,294.56 : x
  2. Step 2: Convert to fraction form
    3,972.61/5,481.81 = 2,294.56/x
  3. Step 3: Cross multiply
    3,972.61x = 5,481.81 × 2,294.56
  4. Step 4: Simplify right side
    3,972.61x = 12,578,341.95
  5. Step 5: Solve for x
    x = 12,578,341.95/3,972.61
  6. Step 6: Final answer
    x = 3,166.27

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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.