Home / 2,211.69-3,317.61-750.95

Finding the Fourth Proportional to 2,211.69, 3,317.61 and 750.95

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Solution

The fourth proportional to 2,211.69, 3,317.61 and 750.95 is: 1,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.69 : 3,317.61 = 750.95 : x
  2. Step 2: Convert to fraction form
    2,211.69/3,317.61 = 750.95/x
  3. Step 3: Cross multiply
    2,211.69x = 3,317.61 × 750.95
  4. Step 4: Simplify right side
    2,211.69x = 2,491,372.34
  5. Step 5: Solve for x
    x = 2,491,372.34/2,211.69
  6. Step 6: Final answer
    x = 1,126.46

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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.