Home / 3,183.45-4,391.60-2,763.24

Finding the Fourth Proportional to 3,183.45, 4,391.60 and 2,763.24

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Solution

The fourth proportional to 3,183.45, 4,391.60 and 2,763.24 is: 3,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.45 : 4,391.60 = 2,763.24 : x
  2. Step 2: Convert to fraction form
    3,183.45/4,391.60 = 2,763.24/x
  3. Step 3: Cross multiply
    3,183.45x = 4,391.60 × 2,763.24
  4. Step 4: Simplify right side
    3,183.45x = 12,135,030.97
  5. Step 5: Solve for x
    x = 12,135,030.97/3,183.45
  6. Step 6: Final answer
    x = 3,811.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.