Home / 2,268.52-3,130.87-1,273.86

Finding the Fourth Proportional to 2,268.52, 3,130.87 and 1,273.86

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Solution

The fourth proportional to 2,268.52, 3,130.87 and 1,273.86 is: 1,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.52 : 3,130.87 = 1,273.86 : x
  2. Step 2: Convert to fraction form
    2,268.52/3,130.87 = 1,273.86/x
  3. Step 3: Cross multiply
    2,268.52x = 3,130.87 × 1,273.86
  4. Step 4: Simplify right side
    2,268.52x = 3,988,289.26
  5. Step 5: Solve for x
    x = 3,988,289.26/2,268.52
  6. Step 6: Final answer
    x = 1,758.10

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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.