Home / 2,723.12-4,083.31-1,078.92

Finding the Fourth Proportional to 2,723.12, 4,083.31 and 1,078.92

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Solution

The fourth proportional to 2,723.12, 4,083.31 and 1,078.92 is: 1,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.12 : 4,083.31 = 1,078.92 : x
  2. Step 2: Convert to fraction form
    2,723.12/4,083.31 = 1,078.92/x
  3. Step 3: Cross multiply
    2,723.12x = 4,083.31 × 1,078.92
  4. Step 4: Simplify right side
    2,723.12x = 4,405,566.17
  5. Step 5: Solve for x
    x = 4,405,566.17/2,723.12
  6. Step 6: Final answer
    x = 1,617.84

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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.