Home / 2,211.20-3,317.34-750.37

Finding the Fourth Proportional to 2,211.20, 3,317.34 and 750.37

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Solution

The fourth proportional to 2,211.20, 3,317.34 and 750.37 is: 1,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.20 : 3,317.34 = 750.37 : x
  2. Step 2: Convert to fraction form
    2,211.20/3,317.34 = 750.37/x
  3. Step 3: Cross multiply
    2,211.20x = 3,317.34 × 750.37
  4. Step 4: Simplify right side
    2,211.20x = 2,489,226.94
  5. Step 5: Solve for x
    x = 2,489,226.94/2,211.20
  6. Step 6: Final answer
    x = 1,125.73

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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.