Home / 2,736.39-4,104.59-1,639.38

Finding the Fourth Proportional to 2,736.39, 4,104.59 and 1,639.38

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Solution

The fourth proportional to 2,736.39, 4,104.59 and 1,639.38 is: 2,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.39 : 4,104.59 = 1,639.38 : x
  2. Step 2: Convert to fraction form
    2,736.39/4,104.59 = 1,639.38/x
  3. Step 3: Cross multiply
    2,736.39x = 4,104.59 × 1,639.38
  4. Step 4: Simplify right side
    2,736.39x = 6,728,974.56
  5. Step 5: Solve for x
    x = 6,728,974.56/2,736.39
  6. Step 6: Final answer
    x = 2,459.07

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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.