Home / 3,801.21-5,245.71-2,229.33

Finding the Fourth Proportional to 3,801.21, 5,245.71 and 2,229.33

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Solution

The fourth proportional to 3,801.21, 5,245.71 and 2,229.33 is: 3,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.21 : 5,245.71 = 2,229.33 : x
  2. Step 2: Convert to fraction form
    3,801.21/5,245.71 = 2,229.33/x
  3. Step 3: Cross multiply
    3,801.21x = 5,245.71 × 2,229.33
  4. Step 4: Simplify right side
    3,801.21x = 11,694,418.67
  5. Step 5: Solve for x
    x = 11,694,418.67/3,801.21
  6. Step 6: Final answer
    x = 3,076.50

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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.