Home / 2,268.23-3,129.84-1,273.55

Finding the Fourth Proportional to 2,268.23, 3,129.84 and 1,273.55

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Solution

The fourth proportional to 2,268.23, 3,129.84 and 1,273.55 is: 1,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.23 : 3,129.84 = 1,273.55 : x
  2. Step 2: Convert to fraction form
    2,268.23/3,129.84 = 1,273.55/x
  3. Step 3: Cross multiply
    2,268.23x = 3,129.84 × 1,273.55
  4. Step 4: Simplify right side
    2,268.23x = 3,985,992.08
  5. Step 5: Solve for x
    x = 3,985,992.08/2,268.23
  6. Step 6: Final answer
    x = 1,757.32

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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.