Home / 2,744.90-3,786.60-1,959.42

Finding the Fourth Proportional to 2,744.90, 3,786.60 and 1,959.42

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Solution

The fourth proportional to 2,744.90, 3,786.60 and 1,959.42 is: 2,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.90 : 3,786.60 = 1,959.42 : x
  2. Step 2: Convert to fraction form
    2,744.90/3,786.60 = 1,959.42/x
  3. Step 3: Cross multiply
    2,744.90x = 3,786.60 × 1,959.42
  4. Step 4: Simplify right side
    2,744.90x = 7,419,539.77
  5. Step 5: Solve for x
    x = 7,419,539.77/2,744.90
  6. Step 6: Final answer
    x = 2,703.03

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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.