Home / 2,321.11-3,203.12-1,273.15

Finding the Fourth Proportional to 2,321.11, 3,203.12 and 1,273.15

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Solution

The fourth proportional to 2,321.11, 3,203.12 and 1,273.15 is: 1,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.11 : 3,203.12 = 1,273.15 : x
  2. Step 2: Convert to fraction form
    2,321.11/3,203.12 = 1,273.15/x
  3. Step 3: Cross multiply
    2,321.11x = 3,203.12 × 1,273.15
  4. Step 4: Simplify right side
    2,321.11x = 4,078,029.85
  5. Step 5: Solve for x
    x = 4,078,029.85/2,321.11
  6. Step 6: Final answer
    x = 1,756.93

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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.