Home / 4,021.38-5,549.79-2,229.03

Finding the Fourth Proportional to 4,021.38, 5,549.79 and 2,229.03

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Solution

The fourth proportional to 4,021.38, 5,549.79 and 2,229.03 is: 3,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.38 : 5,549.79 = 2,229.03 : x
  2. Step 2: Convert to fraction form
    4,021.38/5,549.79 = 2,229.03/x
  3. Step 3: Cross multiply
    4,021.38x = 5,549.79 × 2,229.03
  4. Step 4: Simplify right side
    4,021.38x = 12,370,648.40
  5. Step 5: Solve for x
    x = 12,370,648.40/4,021.38
  6. Step 6: Final answer
    x = 3,076.22

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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.