Home / 3,278.13-4,920.29-2,183.27

Finding the Fourth Proportional to 3,278.13, 4,920.29 and 2,183.27

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Solution

The fourth proportional to 3,278.13, 4,920.29 and 2,183.27 is: 3,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.13 : 4,920.29 = 2,183.27 : x
  2. Step 2: Convert to fraction form
    3,278.13/4,920.29 = 2,183.27/x
  3. Step 3: Cross multiply
    3,278.13x = 4,920.29 × 2,183.27
  4. Step 4: Simplify right side
    3,278.13x = 10,742,286.03
  5. Step 5: Solve for x
    x = 10,742,286.03/3,278.13
  6. Step 6: Final answer
    x = 3,276.96

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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.