Home / 3,596.20-5,391.10-2,133.80

Finding the Fourth Proportional to 3,596.20, 5,391.10 and 2,133.80

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Solution

The fourth proportional to 3,596.20, 5,391.10 and 2,133.80 is: 3,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.20 : 5,391.10 = 2,133.80 : x
  2. Step 2: Convert to fraction form
    3,596.20/5,391.10 = 2,133.80/x
  3. Step 3: Cross multiply
    3,596.20x = 5,391.10 × 2,133.80
  4. Step 4: Simplify right side
    3,596.20x = 11,503,529.18
  5. Step 5: Solve for x
    x = 11,503,529.18/3,596.20
  6. Step 6: Final answer
    x = 3,198.80

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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.