Home / 2,949.62-4,427.34-2,167.43

Finding the Fourth Proportional to 2,949.62, 4,427.34 and 2,167.43

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Solution

The fourth proportional to 2,949.62, 4,427.34 and 2,167.43 is: 3,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.62 : 4,427.34 = 2,167.43 : x
  2. Step 2: Convert to fraction form
    2,949.62/4,427.34 = 2,167.43/x
  3. Step 3: Cross multiply
    2,949.62x = 4,427.34 × 2,167.43
  4. Step 4: Simplify right side
    2,949.62x = 9,595,949.54
  5. Step 5: Solve for x
    x = 9,595,949.54/2,949.62
  6. Step 6: Final answer
    x = 3,253.28

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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.