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Finding the Fourth Proportional to 3,183.66, 4,383.66 and 2,763.27

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Solution

The fourth proportional to 3,183.66, 4,383.66 and 2,763.27 is: 3,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.66 : 4,383.66 = 2,763.27 : x
  2. Step 2: Convert to fraction form
    3,183.66/4,383.66 = 2,763.27/x
  3. Step 3: Cross multiply
    3,183.66x = 4,383.66 × 2,763.27
  4. Step 4: Simplify right side
    3,183.66x = 12,113,236.17
  5. Step 5: Solve for x
    x = 12,113,236.17/3,183.66
  6. Step 6: Final answer
    x = 3,804.81

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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.