Home / 3,832.38-5,289.20-2,153.94

Finding the Fourth Proportional to 3,832.38, 5,289.20 and 2,153.94

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Solution

The fourth proportional to 3,832.38, 5,289.20 and 2,153.94 is: 2,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.38 : 5,289.20 = 2,153.94 : x
  2. Step 2: Convert to fraction form
    3,832.38/5,289.20 = 2,153.94/x
  3. Step 3: Cross multiply
    3,832.38x = 5,289.20 × 2,153.94
  4. Step 4: Simplify right side
    3,832.38x = 11,392,608.68
  5. Step 5: Solve for x
    x = 11,392,608.68/3,832.38
  6. Step 6: Final answer
    x = 2,972.72

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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.