Home / 2,783.76-3,836.34-1,996.44

Finding the Fourth Proportional to 2,783.76, 3,836.34 and 1,996.44

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Solution

The fourth proportional to 2,783.76, 3,836.34 and 1,996.44 is: 2,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.76 : 3,836.34 = 1,996.44 : x
  2. Step 2: Convert to fraction form
    2,783.76/3,836.34 = 1,996.44/x
  3. Step 3: Cross multiply
    2,783.76x = 3,836.34 × 1,996.44
  4. Step 4: Simplify right side
    2,783.76x = 7,659,022.63
  5. Step 5: Solve for x
    x = 7,659,022.63/2,783.76
  6. Step 6: Final answer
    x = 2,751.32

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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.