Home / 3,380.70-5,064.30-2,974.80

Finding the Fourth Proportional to 3,380.70, 5,064.30 and 2,974.80

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Solution

The fourth proportional to 3,380.70, 5,064.30 and 2,974.80 is: 4,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.70 : 5,064.30 = 2,974.80 : x
  2. Step 2: Convert to fraction form
    3,380.70/5,064.30 = 2,974.80/x
  3. Step 3: Cross multiply
    3,380.70x = 5,064.30 × 2,974.80
  4. Step 4: Simplify right side
    3,380.70x = 15,065,279.64
  5. Step 5: Solve for x
    x = 15,065,279.64/3,380.70
  6. Step 6: Final answer
    x = 4,456.26

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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.