Home / 2,268.37-3,130.68-1,273.72

Finding the Fourth Proportional to 2,268.37, 3,130.68 and 1,273.72

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Solution

The fourth proportional to 2,268.37, 3,130.68 and 1,273.72 is: 1,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.37 : 3,130.68 = 1,273.72 : x
  2. Step 2: Convert to fraction form
    2,268.37/3,130.68 = 1,273.72/x
  3. Step 3: Cross multiply
    2,268.37x = 3,130.68 × 1,273.72
  4. Step 4: Simplify right side
    2,268.37x = 3,987,597.13
  5. Step 5: Solve for x
    x = 3,987,597.13/2,268.37
  6. Step 6: Final answer
    x = 1,757.91

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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.