Home / 2,268.85-3,130.26-1,273.99

Finding the Fourth Proportional to 2,268.85, 3,130.26 and 1,273.99

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Solution

The fourth proportional to 2,268.85, 3,130.26 and 1,273.99 is: 1,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.85 : 3,130.26 = 1,273.99 : x
  2. Step 2: Convert to fraction form
    2,268.85/3,130.26 = 1,273.99/x
  3. Step 3: Cross multiply
    2,268.85x = 3,130.26 × 1,273.99
  4. Step 4: Simplify right side
    2,268.85x = 3,987,919.94
  5. Step 5: Solve for x
    x = 3,987,919.94/2,268.85
  6. Step 6: Final answer
    x = 1,757.68

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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.