Home / 2,912.18-4,367.48-1,268.33

Finding the Fourth Proportional to 2,912.18, 4,367.48 and 1,268.33

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Solution

The fourth proportional to 2,912.18, 4,367.48 and 1,268.33 is: 1,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.18 : 4,367.48 = 1,268.33 : x
  2. Step 2: Convert to fraction form
    2,912.18/4,367.48 = 1,268.33/x
  3. Step 3: Cross multiply
    2,912.18x = 4,367.48 × 1,268.33
  4. Step 4: Simplify right side
    2,912.18x = 5,539,377.73
  5. Step 5: Solve for x
    x = 5,539,377.73/2,912.18
  6. Step 6: Final answer
    x = 1,902.14

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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.