Home / 2,218.62-3,327.21-757.50

Finding the Fourth Proportional to 2,218.62, 3,327.21 and 757.50

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Solution

The fourth proportional to 2,218.62, 3,327.21 and 757.50 is: 1,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.62 : 3,327.21 = 757.50 : x
  2. Step 2: Convert to fraction form
    2,218.62/3,327.21 = 757.50/x
  3. Step 3: Cross multiply
    2,218.62x = 3,327.21 × 757.50
  4. Step 4: Simplify right side
    2,218.62x = 2,520,361.58
  5. Step 5: Solve for x
    x = 2,520,361.58/2,218.62
  6. Step 6: Final answer
    x = 1,136.00

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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.