Home / 3,066.88-4,231.38-2,005.96

Finding the Fourth Proportional to 3,066.88, 4,231.38 and 2,005.96

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Solution

The fourth proportional to 3,066.88, 4,231.38 and 2,005.96 is: 2,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.88 : 4,231.38 = 2,005.96 : x
  2. Step 2: Convert to fraction form
    3,066.88/4,231.38 = 2,005.96/x
  3. Step 3: Cross multiply
    3,066.88x = 4,231.38 × 2,005.96
  4. Step 4: Simplify right side
    3,066.88x = 8,487,979.02
  5. Step 5: Solve for x
    x = 8,487,979.02/3,066.88
  6. Step 6: Final answer
    x = 2,767.63

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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.