Home / 1,268.36-1,895.44-1,198.16

Finding the Fourth Proportional to 1,268.36, 1,895.44 and 1,198.16

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Solution

The fourth proportional to 1,268.36, 1,895.44 and 1,198.16 is: 1,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.36 : 1,895.44 = 1,198.16 : x
  2. Step 2: Convert to fraction form
    1,268.36/1,895.44 = 1,198.16/x
  3. Step 3: Cross multiply
    1,268.36x = 1,895.44 × 1,198.16
  4. Step 4: Simplify right side
    1,268.36x = 2,271,040.39
  5. Step 5: Solve for x
    x = 2,271,040.39/1,268.36
  6. Step 6: Final answer
    x = 1,790.53

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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.