Home / 3,423.62-5,136.33-1,083.66

Finding the Fourth Proportional to 3,423.62, 5,136.33 and 1,083.66

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Solution

The fourth proportional to 3,423.62, 5,136.33 and 1,083.66 is: 1,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.62 : 5,136.33 = 1,083.66 : x
  2. Step 2: Convert to fraction form
    3,423.62/5,136.33 = 1,083.66/x
  3. Step 3: Cross multiply
    3,423.62x = 5,136.33 × 1,083.66
  4. Step 4: Simplify right side
    3,423.62x = 5,566,035.37
  5. Step 5: Solve for x
    x = 5,566,035.37/3,423.62
  6. Step 6: Final answer
    x = 1,625.78

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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.