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Finding the Fourth Proportional to 2,220.22, 3,327.93 and 758.62

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Solution

The fourth proportional to 2,220.22, 3,327.93 and 758.62 is: 1,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.22 : 3,327.93 = 758.62 : x
  2. Step 2: Convert to fraction form
    2,220.22/3,327.93 = 758.62/x
  3. Step 3: Cross multiply
    2,220.22x = 3,327.93 × 758.62
  4. Step 4: Simplify right side
    2,220.22x = 2,524,634.26
  5. Step 5: Solve for x
    x = 2,524,634.26/2,220.22
  6. Step 6: Final answer
    x = 1,137.11

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1.5x scale

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.