Home / 2,268.17-3,130.20-1,273.76

Finding the Fourth Proportional to 2,268.17, 3,130.20 and 1,273.76

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Solution

The fourth proportional to 2,268.17, 3,130.20 and 1,273.76 is: 1,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.17 : 3,130.20 = 1,273.76 : x
  2. Step 2: Convert to fraction form
    2,268.17/3,130.20 = 1,273.76/x
  3. Step 3: Cross multiply
    2,268.17x = 3,130.20 × 1,273.76
  4. Step 4: Simplify right side
    2,268.17x = 3,987,101.53
  5. Step 5: Solve for x
    x = 3,987,101.53/2,268.17
  6. Step 6: Final answer
    x = 1,757.85

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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.