Home / 2,211.27-3,317.44-750.43

Finding the Fourth Proportional to 2,211.27, 3,317.44 and 750.43

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Solution

The fourth proportional to 2,211.27, 3,317.44 and 750.43 is: 1,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.27 : 3,317.44 = 750.43 : x
  2. Step 2: Convert to fraction form
    2,211.27/3,317.44 = 750.43/x
  3. Step 3: Cross multiply
    2,211.27x = 3,317.44 × 750.43
  4. Step 4: Simplify right side
    2,211.27x = 2,489,506.50
  5. Step 5: Solve for x
    x = 2,489,506.50/2,211.27
  6. Step 6: Final answer
    x = 1,125.83

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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.