Home / 3,149.82-4,344.84-2,028.98

Finding the Fourth Proportional to 3,149.82, 4,344.84 and 2,028.98

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Solution

The fourth proportional to 3,149.82, 4,344.84 and 2,028.98 is: 2,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.82 : 4,344.84 = 2,028.98 : x
  2. Step 2: Convert to fraction form
    3,149.82/4,344.84 = 2,028.98/x
  3. Step 3: Cross multiply
    3,149.82x = 4,344.84 × 2,028.98
  4. Step 4: Simplify right side
    3,149.82x = 8,815,604.33
  5. Step 5: Solve for x
    x = 8,815,604.33/3,149.82
  6. Step 6: Final answer
    x = 2,798.76

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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.