Home / 2,268.45-3,403.59-808.63

Finding the Fourth Proportional to 2,268.45, 3,403.59 and 808.63

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Solution

The fourth proportional to 2,268.45, 3,403.59 and 808.63 is: 1,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.45 : 3,403.59 = 808.63 : x
  2. Step 2: Convert to fraction form
    2,268.45/3,403.59 = 808.63/x
  3. Step 3: Cross multiply
    2,268.45x = 3,403.59 × 808.63
  4. Step 4: Simplify right side
    2,268.45x = 2,752,244.98
  5. Step 5: Solve for x
    x = 2,752,244.98/2,268.45
  6. Step 6: Final answer
    x = 1,213.27

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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.