Home / 2,321.22-3,203.26-1,273.29

Finding the Fourth Proportional to 2,321.22, 3,203.26 and 1,273.29

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Solution

The fourth proportional to 2,321.22, 3,203.26 and 1,273.29 is: 1,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.22 : 3,203.26 = 1,273.29 : x
  2. Step 2: Convert to fraction form
    2,321.22/3,203.26 = 1,273.29/x
  3. Step 3: Cross multiply
    2,321.22x = 3,203.26 × 1,273.29
  4. Step 4: Simplify right side
    2,321.22x = 4,078,670.89
  5. Step 5: Solve for x
    x = 4,078,670.89/2,321.22
  6. Step 6: Final answer
    x = 1,757.12

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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.