Home / 3,453.70-5,168.40-2,408.80

Finding the Fourth Proportional to 3,453.70, 5,168.40 and 2,408.80

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Solution

The fourth proportional to 3,453.70, 5,168.40 and 2,408.80 is: 3,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.70 : 5,168.40 = 2,408.80 : x
  2. Step 2: Convert to fraction form
    3,453.70/5,168.40 = 2,408.80/x
  3. Step 3: Cross multiply
    3,453.70x = 5,168.40 × 2,408.80
  4. Step 4: Simplify right side
    3,453.70x = 12,449,641.92
  5. Step 5: Solve for x
    x = 12,449,641.92/3,453.70
  6. Step 6: Final answer
    x = 3,604.73

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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.