Home / 2,108.35-3,163.20-1,067.43

Finding the Fourth Proportional to 2,108.35, 3,163.20 and 1,067.43

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Solution

The fourth proportional to 2,108.35, 3,163.20 and 1,067.43 is: 1,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.35 : 3,163.20 = 1,067.43 : x
  2. Step 2: Convert to fraction form
    2,108.35/3,163.20 = 1,067.43/x
  3. Step 3: Cross multiply
    2,108.35x = 3,163.20 × 1,067.43
  4. Step 4: Simplify right side
    2,108.35x = 3,376,494.58
  5. Step 5: Solve for x
    x = 3,376,494.58/2,108.35
  6. Step 6: Final answer
    x = 1,601.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.