Home / 2,321.44-3,481.99-1,089.13

Finding the Fourth Proportional to 2,321.44, 3,481.99 and 1,089.13

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Solution

The fourth proportional to 2,321.44, 3,481.99 and 1,089.13 is: 1,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.44 : 3,481.99 = 1,089.13 : x
  2. Step 2: Convert to fraction form
    2,321.44/3,481.99 = 1,089.13/x
  3. Step 3: Cross multiply
    2,321.44x = 3,481.99 × 1,089.13
  4. Step 4: Simplify right side
    2,321.44x = 3,792,342.49
  5. Step 5: Solve for x
    x = 3,792,342.49/2,321.44
  6. Step 6: Final answer
    x = 1,633.62

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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.