Home / 1,757.27-2,425.92-1,128.73

Finding the Fourth Proportional to 1,757.27, 2,425.92 and 1,128.73

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Solution

The fourth proportional to 1,757.27, 2,425.92 and 1,128.73 is: 1,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.27 : 2,425.92 = 1,128.73 : x
  2. Step 2: Convert to fraction form
    1,757.27/2,425.92 = 1,128.73/x
  3. Step 3: Cross multiply
    1,757.27x = 2,425.92 × 1,128.73
  4. Step 4: Simplify right side
    1,757.27x = 2,738,208.68
  5. Step 5: Solve for x
    x = 2,738,208.68/1,757.27
  6. Step 6: Final answer
    x = 1,558.22

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1.5x scale

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.