Home / 2,268.47-3,130.43-1,273.73

Finding the Fourth Proportional to 2,268.47, 3,130.43 and 1,273.73

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Solution

The fourth proportional to 2,268.47, 3,130.43 and 1,273.73 is: 1,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.47 : 3,130.43 = 1,273.73 : x
  2. Step 2: Convert to fraction form
    2,268.47/3,130.43 = 1,273.73/x
  3. Step 3: Cross multiply
    2,268.47x = 3,130.43 × 1,273.73
  4. Step 4: Simplify right side
    2,268.47x = 3,987,300.58
  5. Step 5: Solve for x
    x = 3,987,300.58/2,268.47
  6. Step 6: Final answer
    x = 1,757.71

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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.