Home / 2,268.11-3,382.77-1,992.29

Finding the Fourth Proportional to 2,268.11, 3,382.77 and 1,992.29

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Solution

The fourth proportional to 2,268.11, 3,382.77 and 1,992.29 is: 2,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.11 : 3,382.77 = 1,992.29 : x
  2. Step 2: Convert to fraction form
    2,268.11/3,382.77 = 1,992.29/x
  3. Step 3: Cross multiply
    2,268.11x = 3,382.77 × 1,992.29
  4. Step 4: Simplify right side
    2,268.11x = 6,739,449.40
  5. Step 5: Solve for x
    x = 6,739,449.40/2,268.11
  6. Step 6: Final answer
    x = 2,971.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.