Home / 2,727.45-4,083.89-1,629.09

Finding the Fourth Proportional to 2,727.45, 4,083.89 and 1,629.09

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Solution

The fourth proportional to 2,727.45, 4,083.89 and 1,629.09 is: 2,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.45 : 4,083.89 = 1,629.09 : x
  2. Step 2: Convert to fraction form
    2,727.45/4,083.89 = 1,629.09/x
  3. Step 3: Cross multiply
    2,727.45x = 4,083.89 × 1,629.09
  4. Step 4: Simplify right side
    2,727.45x = 6,653,016.21
  5. Step 5: Solve for x
    x = 6,653,016.21/2,727.45
  6. Step 6: Final answer
    x = 2,439.28

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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.