Home / 2,181.92-3,273.48-949.43

Finding the Fourth Proportional to 2,181.92, 3,273.48 and 949.43

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Solution

The fourth proportional to 2,181.92, 3,273.48 and 949.43 is: 1,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.92 : 3,273.48 = 949.43 : x
  2. Step 2: Convert to fraction form
    2,181.92/3,273.48 = 949.43/x
  3. Step 3: Cross multiply
    2,181.92x = 3,273.48 × 949.43
  4. Step 4: Simplify right side
    2,181.92x = 3,107,948.30
  5. Step 5: Solve for x
    x = 3,107,948.30/2,181.92
  6. Step 6: Final answer
    x = 1,424.41

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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.