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Finding the Fourth Proportional to 2,220.72, 3,327.43 and 759.07

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Solution

The fourth proportional to 2,220.72, 3,327.43 and 759.07 is: 1,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.72 : 3,327.43 = 759.07 : x
  2. Step 2: Convert to fraction form
    2,220.72/3,327.43 = 759.07/x
  3. Step 3: Cross multiply
    2,220.72x = 3,327.43 × 759.07
  4. Step 4: Simplify right side
    2,220.72x = 2,525,768.54
  5. Step 5: Solve for x
    x = 2,525,768.54/2,220.72
  6. Step 6: Final answer
    x = 1,137.37

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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.