Home / 2,529.11-3,793.68-1,382.15

Finding the Fourth Proportional to 2,529.11, 3,793.68 and 1,382.15

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Solution

The fourth proportional to 2,529.11, 3,793.68 and 1,382.15 is: 2,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.11 : 3,793.68 = 1,382.15 : x
  2. Step 2: Convert to fraction form
    2,529.11/3,793.68 = 1,382.15/x
  3. Step 3: Cross multiply
    2,529.11x = 3,793.68 × 1,382.15
  4. Step 4: Simplify right side
    2,529.11x = 5,243,434.81
  5. Step 5: Solve for x
    x = 5,243,434.81/2,529.11
  6. Step 6: Final answer
    x = 2,073.23

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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.