Home / 2,845.29-4,268.16-1,091.14

Finding the Fourth Proportional to 2,845.29, 4,268.16 and 1,091.14

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Solution

The fourth proportional to 2,845.29, 4,268.16 and 1,091.14 is: 1,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.29 : 4,268.16 = 1,091.14 : x
  2. Step 2: Convert to fraction form
    2,845.29/4,268.16 = 1,091.14/x
  3. Step 3: Cross multiply
    2,845.29x = 4,268.16 × 1,091.14
  4. Step 4: Simplify right side
    2,845.29x = 4,657,149.43
  5. Step 5: Solve for x
    x = 4,657,149.43/2,845.29
  6. Step 6: Final answer
    x = 1,636.79

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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.