Home / 2,211.14-3,317.26-750.30

Finding the Fourth Proportional to 2,211.14, 3,317.26 and 750.30

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Solution

The fourth proportional to 2,211.14, 3,317.26 and 750.30 is: 1,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.14 : 3,317.26 = 750.30 : x
  2. Step 2: Convert to fraction form
    2,211.14/3,317.26 = 750.30/x
  3. Step 3: Cross multiply
    2,211.14x = 3,317.26 × 750.30
  4. Step 4: Simplify right side
    2,211.14x = 2,488,940.18
  5. Step 5: Solve for x
    x = 2,488,940.18/2,211.14
  6. Step 6: Final answer
    x = 1,125.64

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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.