Home / 2,110.96-3,166.83-724.44

Finding the Fourth Proportional to 2,110.96, 3,166.83 and 724.44

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Solution

The fourth proportional to 2,110.96, 3,166.83 and 724.44 is: 1,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.96 : 3,166.83 = 724.44 : x
  2. Step 2: Convert to fraction form
    2,110.96/3,166.83 = 724.44/x
  3. Step 3: Cross multiply
    2,110.96x = 3,166.83 × 724.44
  4. Step 4: Simplify right side
    2,110.96x = 2,294,163.48
  5. Step 5: Solve for x
    x = 2,294,163.48/2,110.96
  6. Step 6: Final answer
    x = 1,086.79

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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.