Home / 2,481.96-3,725.36-1,891.46

Finding the Fourth Proportional to 2,481.96, 3,725.36 and 1,891.46

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Solution

The fourth proportional to 2,481.96, 3,725.36 and 1,891.46 is: 2,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.96 : 3,725.36 = 1,891.46 : x
  2. Step 2: Convert to fraction form
    2,481.96/3,725.36 = 1,891.46/x
  3. Step 3: Cross multiply
    2,481.96x = 3,725.36 × 1,891.46
  4. Step 4: Simplify right side
    2,481.96x = 7,046,369.43
  5. Step 5: Solve for x
    x = 7,046,369.43/2,481.96
  6. Step 6: Final answer
    x = 2,839.03

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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.