Home / 3,444.57-5,166.85-979.41

Finding the Fourth Proportional to 3,444.57, 5,166.85 and 979.41

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Solution

The fourth proportional to 3,444.57, 5,166.85 and 979.41 is: 1,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.57 : 5,166.85 = 979.41 : x
  2. Step 2: Convert to fraction form
    3,444.57/5,166.85 = 979.41/x
  3. Step 3: Cross multiply
    3,444.57x = 5,166.85 × 979.41
  4. Step 4: Simplify right side
    3,444.57x = 5,060,464.56
  5. Step 5: Solve for x
    x = 5,060,464.56/3,444.57
  6. Step 6: Final answer
    x = 1,469.11

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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.