Home / 3,426.23-5,136.19-1,234.42

Finding the Fourth Proportional to 3,426.23, 5,136.19 and 1,234.42

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Solution

The fourth proportional to 3,426.23, 5,136.19 and 1,234.42 is: 1,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.23 : 5,136.19 = 1,234.42 : x
  2. Step 2: Convert to fraction form
    3,426.23/5,136.19 = 1,234.42/x
  3. Step 3: Cross multiply
    3,426.23x = 5,136.19 × 1,234.42
  4. Step 4: Simplify right side
    3,426.23x = 6,340,199.73
  5. Step 5: Solve for x
    x = 6,340,199.73/3,426.23
  6. Step 6: Final answer
    x = 1,850.49

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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.