Home / 3,426.20-5,136.18-1,234.44

Finding the Fourth Proportional to 3,426.20, 5,136.18 and 1,234.44

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Solution

The fourth proportional to 3,426.20, 5,136.18 and 1,234.44 is: 1,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.20 : 5,136.18 = 1,234.44 : x
  2. Step 2: Convert to fraction form
    3,426.20/5,136.18 = 1,234.44/x
  3. Step 3: Cross multiply
    3,426.20x = 5,136.18 × 1,234.44
  4. Step 4: Simplify right side
    3,426.20x = 6,340,306.04
  5. Step 5: Solve for x
    x = 6,340,306.04/3,426.20
  6. Step 6: Final answer
    x = 1,850.54

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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.