Home / 2,268.72-3,130.64-1,273.92

Finding the Fourth Proportional to 2,268.72, 3,130.64 and 1,273.92

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Solution

The fourth proportional to 2,268.72, 3,130.64 and 1,273.92 is: 1,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.72 : 3,130.64 = 1,273.92 : x
  2. Step 2: Convert to fraction form
    2,268.72/3,130.64 = 1,273.92/x
  3. Step 3: Cross multiply
    2,268.72x = 3,130.64 × 1,273.92
  4. Step 4: Simplify right side
    2,268.72x = 3,988,184.91
  5. Step 5: Solve for x
    x = 3,988,184.91/2,268.72
  6. Step 6: Final answer
    x = 1,757.90

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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.