Home / 2,268.16-3,129.88-1,273.24

Finding the Fourth Proportional to 2,268.16, 3,129.88 and 1,273.24

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Solution

The fourth proportional to 2,268.16, 3,129.88 and 1,273.24 is: 1,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.16 : 3,129.88 = 1,273.24 : x
  2. Step 2: Convert to fraction form
    2,268.16/3,129.88 = 1,273.24/x
  3. Step 3: Cross multiply
    2,268.16x = 3,129.88 × 1,273.24
  4. Step 4: Simplify right side
    2,268.16x = 3,985,088.41
  5. Step 5: Solve for x
    x = 3,985,088.41/2,268.16
  6. Step 6: Final answer
    x = 1,756.97

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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.