Home / 3,800.38-5,244.72-2,228.98

Finding the Fourth Proportional to 3,800.38, 5,244.72 and 2,228.98

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Solution

The fourth proportional to 3,800.38, 5,244.72 and 2,228.98 is: 3,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.38 : 5,244.72 = 2,228.98 : x
  2. Step 2: Convert to fraction form
    3,800.38/5,244.72 = 2,228.98/x
  3. Step 3: Cross multiply
    3,800.38x = 5,244.72 × 2,228.98
  4. Step 4: Simplify right side
    3,800.38x = 11,690,375.99
  5. Step 5: Solve for x
    x = 11,690,375.99/3,800.38
  6. Step 6: Final answer
    x = 3,076.11

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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.