Home / 3,166.88-4,371.50-2,834.70

Finding the Fourth Proportional to 3,166.88, 4,371.50 and 2,834.70

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Solution

The fourth proportional to 3,166.88, 4,371.50 and 2,834.70 is: 3,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.88 : 4,371.50 = 2,834.70 : x
  2. Step 2: Convert to fraction form
    3,166.88/4,371.50 = 2,834.70/x
  3. Step 3: Cross multiply
    3,166.88x = 4,371.50 × 2,834.70
  4. Step 4: Simplify right side
    3,166.88x = 12,391,891.05
  5. Step 5: Solve for x
    x = 12,391,891.05/3,166.88
  6. Step 6: Final answer
    x = 3,912.97

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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.