Home / 4,067.65-5,617.96-2,739.05

Finding the Fourth Proportional to 4,067.65, 5,617.96 and 2,739.05

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Solution

The fourth proportional to 4,067.65, 5,617.96 and 2,739.05 is: 3,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.65 : 5,617.96 = 2,739.05 : x
  2. Step 2: Convert to fraction form
    4,067.65/5,617.96 = 2,739.05/x
  3. Step 3: Cross multiply
    4,067.65x = 5,617.96 × 2,739.05
  4. Step 4: Simplify right side
    4,067.65x = 15,387,845.25
  5. Step 5: Solve for x
    x = 15,387,845.25/4,067.65
  6. Step 6: Final answer
    x = 3,782.99

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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.