Home / 2,268.60-3,131.00-1,273.97

Finding the Fourth Proportional to 2,268.60, 3,131.00 and 1,273.97

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Solution

The fourth proportional to 2,268.60, 3,131.00 and 1,273.97 is: 1,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.60 : 3,131.00 = 1,273.97 : x
  2. Step 2: Convert to fraction form
    2,268.60/3,131.00 = 1,273.97/x
  3. Step 3: Cross multiply
    2,268.60x = 3,131.00 × 1,273.97
  4. Step 4: Simplify right side
    2,268.60x = 3,988,778.05
  5. Step 5: Solve for x
    x = 3,988,778.05/2,268.60
  6. Step 6: Final answer
    x = 1,758.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.