Home / 2,982.18-4,474.85-2,167.20

Finding the Fourth Proportional to 2,982.18, 4,474.85 and 2,167.20

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Solution

The fourth proportional to 2,982.18, 4,474.85 and 2,167.20 is: 3,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.18 : 4,474.85 = 2,167.20 : x
  2. Step 2: Convert to fraction form
    2,982.18/4,474.85 = 2,167.20/x
  3. Step 3: Cross multiply
    2,982.18x = 4,474.85 × 2,167.20
  4. Step 4: Simplify right side
    2,982.18x = 9,697,884.08
  5. Step 5: Solve for x
    x = 9,697,884.08/2,982.18
  6. Step 6: Final answer
    x = 3,251.94

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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.