Home / 2,218.24-3,327.84-757.44

Finding the Fourth Proportional to 2,218.24, 3,327.84 and 757.44

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Solution

The fourth proportional to 2,218.24, 3,327.84 and 757.44 is: 1,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.24 : 3,327.84 = 757.44 : x
  2. Step 2: Convert to fraction form
    2,218.24/3,327.84 = 757.44/x
  3. Step 3: Cross multiply
    2,218.24x = 3,327.84 × 757.44
  4. Step 4: Simplify right side
    2,218.24x = 2,520,639.13
  5. Step 5: Solve for x
    x = 2,520,639.13/2,218.24
  6. Step 6: Final answer
    x = 1,136.32

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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.