Home / 2,834.20-4,251.27-886.42

Finding the Fourth Proportional to 2,834.20, 4,251.27 and 886.42

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Solution

The fourth proportional to 2,834.20, 4,251.27 and 886.42 is: 1,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.20 : 4,251.27 = 886.42 : x
  2. Step 2: Convert to fraction form
    2,834.20/4,251.27 = 886.42/x
  3. Step 3: Cross multiply
    2,834.20x = 4,251.27 × 886.42
  4. Step 4: Simplify right side
    2,834.20x = 3,768,410.75
  5. Step 5: Solve for x
    x = 3,768,410.75/2,834.20
  6. Step 6: Final answer
    x = 1,329.62

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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.