Home / 3,105.11-4,658.42-2,550.75

Finding the Fourth Proportional to 3,105.11, 4,658.42 and 2,550.75

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Solution

The fourth proportional to 3,105.11, 4,658.42 and 2,550.75 is: 3,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.11 : 4,658.42 = 2,550.75 : x
  2. Step 2: Convert to fraction form
    3,105.11/4,658.42 = 2,550.75/x
  3. Step 3: Cross multiply
    3,105.11x = 4,658.42 × 2,550.75
  4. Step 4: Simplify right side
    3,105.11x = 11,882,482.84
  5. Step 5: Solve for x
    x = 11,882,482.84/3,105.11
  6. Step 6: Final answer
    x = 3,826.75

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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.