Home / 2,884.20-3,982.50-2,002.92

Finding the Fourth Proportional to 2,884.20, 3,982.50 and 2,002.92

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Solution

The fourth proportional to 2,884.20, 3,982.50 and 2,002.92 is: 2,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.20 : 3,982.50 = 2,002.92 : x
  2. Step 2: Convert to fraction form
    2,884.20/3,982.50 = 2,002.92/x
  3. Step 3: Cross multiply
    2,884.20x = 3,982.50 × 2,002.92
  4. Step 4: Simplify right side
    2,884.20x = 7,976,628.90
  5. Step 5: Solve for x
    x = 7,976,628.90/2,884.20
  6. Step 6: Final answer
    x = 2,765.63

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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.