Home / 2,211.84-3,318.17-750.94

Finding the Fourth Proportional to 2,211.84, 3,318.17 and 750.94

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Solution

The fourth proportional to 2,211.84, 3,318.17 and 750.94 is: 1,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.84 : 3,318.17 = 750.94 : x
  2. Step 2: Convert to fraction form
    2,211.84/3,318.17 = 750.94/x
  3. Step 3: Cross multiply
    2,211.84x = 3,318.17 × 750.94
  4. Step 4: Simplify right side
    2,211.84x = 2,491,734.53
  5. Step 5: Solve for x
    x = 2,491,734.53/2,211.84
  6. Step 6: Final answer
    x = 1,126.54

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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.