Home / 3,205.91-4,811.31-2,163.44

Finding the Fourth Proportional to 3,205.91, 4,811.31 and 2,163.44

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Solution

The fourth proportional to 3,205.91, 4,811.31 and 2,163.44 is: 3,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.91 : 4,811.31 = 2,163.44 : x
  2. Step 2: Convert to fraction form
    3,205.91/4,811.31 = 2,163.44/x
  3. Step 3: Cross multiply
    3,205.91x = 4,811.31 × 2,163.44
  4. Step 4: Simplify right side
    3,205.91x = 10,408,992.53
  5. Step 5: Solve for x
    x = 10,408,992.53/3,205.91
  6. Step 6: Final answer
    x = 3,246.81

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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.