Home / 1,268.25-1,902.98-1,104.02

Finding the Fourth Proportional to 1,268.25, 1,902.98 and 1,104.02

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Solution

The fourth proportional to 1,268.25, 1,902.98 and 1,104.02 is: 1,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.25 : 1,902.98 = 1,104.02 : x
  2. Step 2: Convert to fraction form
    1,268.25/1,902.98 = 1,104.02/x
  3. Step 3: Cross multiply
    1,268.25x = 1,902.98 × 1,104.02
  4. Step 4: Simplify right side
    1,268.25x = 2,100,927.98
  5. Step 5: Solve for x
    x = 2,100,927.98/1,268.25
  6. Step 6: Final answer
    x = 1,656.56

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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.