Home / 2,834.09-4,243.30-2,138.61

Finding the Fourth Proportional to 2,834.09, 4,243.30 and 2,138.61

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Solution

The fourth proportional to 2,834.09, 4,243.30 and 2,138.61 is: 3,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.09 : 4,243.30 = 2,138.61 : x
  2. Step 2: Convert to fraction form
    2,834.09/4,243.30 = 2,138.61/x
  3. Step 3: Cross multiply
    2,834.09x = 4,243.30 × 2,138.61
  4. Step 4: Simplify right side
    2,834.09x = 9,074,758.47
  5. Step 5: Solve for x
    x = 9,074,758.47/2,834.09
  6. Step 6: Final answer
    x = 3,202.01

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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.