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Finding the Fourth Proportional to 2,481.86, 3,722.77 and 632.96

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Solution

The fourth proportional to 2,481.86, 3,722.77 and 632.96 is: 949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.86 : 3,722.77 = 632.96 : x
  2. Step 2: Convert to fraction form
    2,481.86/3,722.77 = 632.96/x
  3. Step 3: Cross multiply
    2,481.86x = 3,722.77 × 632.96
  4. Step 4: Simplify right side
    2,481.86x = 2,356,360.64
  5. Step 5: Solve for x
    x = 2,356,360.64/2,481.86
  6. Step 6: Final answer
    x = 949.43

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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.