Home / 3,326.97-4,987.27-2,231.65

Finding the Fourth Proportional to 3,326.97, 4,987.27 and 2,231.65

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Solution

The fourth proportional to 3,326.97, 4,987.27 and 2,231.65 is: 3,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.97 : 4,987.27 = 2,231.65 : x
  2. Step 2: Convert to fraction form
    3,326.97/4,987.27 = 2,231.65/x
  3. Step 3: Cross multiply
    3,326.97x = 4,987.27 × 2,231.65
  4. Step 4: Simplify right side
    3,326.97x = 11,129,850.12
  5. Step 5: Solve for x
    x = 11,129,850.12/3,326.97
  6. Step 6: Final answer
    x = 3,345.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.