Home / 3,039.20-4,183.56-2,620.94

Finding the Fourth Proportional to 3,039.20, 4,183.56 and 2,620.94

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Solution

The fourth proportional to 3,039.20, 4,183.56 and 2,620.94 is: 3,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.20 : 4,183.56 = 2,620.94 : x
  2. Step 2: Convert to fraction form
    3,039.20/4,183.56 = 2,620.94/x
  3. Step 3: Cross multiply
    3,039.20x = 4,183.56 × 2,620.94
  4. Step 4: Simplify right side
    3,039.20x = 10,964,859.75
  5. Step 5: Solve for x
    x = 10,964,859.75/3,039.20
  6. Step 6: Final answer
    x = 3,607.81

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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.