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Finding the Fourth Proportional to 2,219.53, 3,329.97 and 758.68

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Solution

The fourth proportional to 2,219.53, 3,329.97 and 758.68 is: 1,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.53 : 3,329.97 = 758.68 : x
  2. Step 2: Convert to fraction form
    2,219.53/3,329.97 = 758.68/x
  3. Step 3: Cross multiply
    2,219.53x = 3,329.97 × 758.68
  4. Step 4: Simplify right side
    2,219.53x = 2,526,381.64
  5. Step 5: Solve for x
    x = 2,526,381.64/2,219.53
  6. Step 6: Final answer
    x = 1,138.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.