Home / 1,268.48-1,912.08-1,163.17

Finding the Fourth Proportional to 1,268.48, 1,912.08 and 1,163.17

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Solution

The fourth proportional to 1,268.48, 1,912.08 and 1,163.17 is: 1,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.48 : 1,912.08 = 1,163.17 : x
  2. Step 2: Convert to fraction form
    1,268.48/1,912.08 = 1,163.17/x
  3. Step 3: Cross multiply
    1,268.48x = 1,912.08 × 1,163.17
  4. Step 4: Simplify right side
    1,268.48x = 2,224,068.28
  5. Step 5: Solve for x
    x = 2,224,068.28/1,268.48
  6. Step 6: Final answer
    x = 1,753.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.