Home / 3,755.75-5,633.56-1,123.26

Finding the Fourth Proportional to 3,755.75, 5,633.56 and 1,123.26

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Solution

The fourth proportional to 3,755.75, 5,633.56 and 1,123.26 is: 1,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.75 : 5,633.56 = 1,123.26 : x
  2. Step 2: Convert to fraction form
    3,755.75/5,633.56 = 1,123.26/x
  3. Step 3: Cross multiply
    3,755.75x = 5,633.56 × 1,123.26
  4. Step 4: Simplify right side
    3,755.75x = 6,327,952.61
  5. Step 5: Solve for x
    x = 6,327,952.61/3,755.75
  6. Step 6: Final answer
    x = 1,684.87

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1.5x scale

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.