Home / 1,273.23-1,757.03-1,235.97

Finding the Fourth Proportional to 1,273.23, 1,757.03 and 1,235.97

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Solution

The fourth proportional to 1,273.23, 1,757.03 and 1,235.97 is: 1,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273.23 : 1,757.03 = 1,235.97 : x
  2. Step 2: Convert to fraction form
    1,273.23/1,757.03 = 1,235.97/x
  3. Step 3: Cross multiply
    1,273.23x = 1,757.03 × 1,235.97
  4. Step 4: Simplify right side
    1,273.23x = 2,171,630.19
  5. Step 5: Solve for x
    x = 2,171,630.19/1,273.23
  6. Step 6: Final answer
    x = 1,705.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.