Home / 3,380.18-4,663.77-1,982.18

Finding the Fourth Proportional to 3,380.18, 4,663.77 and 1,982.18

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Solution

The fourth proportional to 3,380.18, 4,663.77 and 1,982.18 is: 2,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.18 : 4,663.77 = 1,982.18 : x
  2. Step 2: Convert to fraction form
    3,380.18/4,663.77 = 1,982.18/x
  3. Step 3: Cross multiply
    3,380.18x = 4,663.77 × 1,982.18
  4. Step 4: Simplify right side
    3,380.18x = 9,244,431.62
  5. Step 5: Solve for x
    x = 9,244,431.62/3,380.18
  6. Step 6: Final answer
    x = 2,734.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.