Home / 2,268-3,131.76-1,441.44

Finding the Fourth Proportional to 2,268, 3,131.76 and 1,441.44

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Solution

The fourth proportional to 2,268, 3,131.76 and 1,441.44 is: 1,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268 : 3,131.76 = 1,441.44 : x
  2. Step 2: Convert to fraction form
    2,268/3,131.76 = 1,441.44/x
  3. Step 3: Cross multiply
    2,268x = 3,131.76 × 1,441.44
  4. Step 4: Simplify right side
    2,268x = 4,514,244.13
  5. Step 5: Solve for x
    x = 4,514,244.13/2,268
  6. Step 6: Final answer
    x = 1,990.41

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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.