Home / 2,318.46-3,198.66-1,323.02

Finding the Fourth Proportional to 2,318.46, 3,198.66 and 1,323.02

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Solution

The fourth proportional to 2,318.46, 3,198.66 and 1,323.02 is: 1,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.46 : 3,198.66 = 1,323.02 : x
  2. Step 2: Convert to fraction form
    2,318.46/3,198.66 = 1,323.02/x
  3. Step 3: Cross multiply
    2,318.46x = 3,198.66 × 1,323.02
  4. Step 4: Simplify right side
    2,318.46x = 4,231,891.15
  5. Step 5: Solve for x
    x = 4,231,891.15/2,318.46
  6. Step 6: Final answer
    x = 1,825.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.