Home / 2,739.19-3,783.23-1,996.47

Finding the Fourth Proportional to 2,739.19, 3,783.23 and 1,996.47

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Solution

The fourth proportional to 2,739.19, 3,783.23 and 1,996.47 is: 2,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.19 : 3,783.23 = 1,996.47 : x
  2. Step 2: Convert to fraction form
    2,739.19/3,783.23 = 1,996.47/x
  3. Step 3: Cross multiply
    2,739.19x = 3,783.23 × 1,996.47
  4. Step 4: Simplify right side
    2,739.19x = 7,553,076.30
  5. Step 5: Solve for x
    x = 7,553,076.30/2,739.19
  6. Step 6: Final answer
    x = 2,757.41

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1.5x scale

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.