Home / 1,453.14-2,180.39-673.77

Finding the Fourth Proportional to 1,453.14, 2,180.39 and 673.77

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Solution

The fourth proportional to 1,453.14, 2,180.39 and 673.77 is: 1,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.14 : 2,180.39 = 673.77 : x
  2. Step 2: Convert to fraction form
    1,453.14/2,180.39 = 673.77/x
  3. Step 3: Cross multiply
    1,453.14x = 2,180.39 × 673.77
  4. Step 4: Simplify right side
    1,453.14x = 1,469,073.91
  5. Step 5: Solve for x
    x = 1,469,073.91/1,453.14
  6. Step 6: Final answer
    x = 1,010.97

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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.