Home / 3,520.97-4,857.51-2,028.09

Finding the Fourth Proportional to 3,520.97, 4,857.51 and 2,028.09

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Solution

The fourth proportional to 3,520.97, 4,857.51 and 2,028.09 is: 2,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.97 : 4,857.51 = 2,028.09 : x
  2. Step 2: Convert to fraction form
    3,520.97/4,857.51 = 2,028.09/x
  3. Step 3: Cross multiply
    3,520.97x = 4,857.51 × 2,028.09
  4. Step 4: Simplify right side
    3,520.97x = 9,851,456.85
  5. Step 5: Solve for x
    x = 9,851,456.85/3,520.97
  6. Step 6: Final answer
    x = 2,797.94

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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.