Home / 3,994.20-5,991.30-3,702.60

Finding the Fourth Proportional to 3,994.20, 5,991.30 and 3,702.60

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Solution

The fourth proportional to 3,994.20, 5,991.30 and 3,702.60 is: 5,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.20 : 5,991.30 = 3,702.60 : x
  2. Step 2: Convert to fraction form
    3,994.20/5,991.30 = 3,702.60/x
  3. Step 3: Cross multiply
    3,994.20x = 5,991.30 × 3,702.60
  4. Step 4: Simplify right side
    3,994.20x = 22,183,387.38
  5. Step 5: Solve for x
    x = 22,183,387.38/3,994.20
  6. Step 6: Final answer
    x = 5,553.90

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1.5x scale

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.