Home / 2,814.97-4,221.23-1,082.38

Finding the Fourth Proportional to 2,814.97, 4,221.23 and 1,082.38

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Solution

The fourth proportional to 2,814.97, 4,221.23 and 1,082.38 is: 1,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.97 : 4,221.23 = 1,082.38 : x
  2. Step 2: Convert to fraction form
    2,814.97/4,221.23 = 1,082.38/x
  3. Step 3: Cross multiply
    2,814.97x = 4,221.23 × 1,082.38
  4. Step 4: Simplify right side
    2,814.97x = 4,568,953.82
  5. Step 5: Solve for x
    x = 4,568,953.82/2,814.97
  6. Step 6: Final answer
    x = 1,623.09

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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.