Home / 2,335.73-3,223.24-1,287.79

Finding the Fourth Proportional to 2,335.73, 3,223.24 and 1,287.79

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Solution

The fourth proportional to 2,335.73, 3,223.24 and 1,287.79 is: 1,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.73 : 3,223.24 = 1,287.79 : x
  2. Step 2: Convert to fraction form
    2,335.73/3,223.24 = 1,287.79/x
  3. Step 3: Cross multiply
    2,335.73x = 3,223.24 × 1,287.79
  4. Step 4: Simplify right side
    2,335.73x = 4,150,856.24
  5. Step 5: Solve for x
    x = 4,150,856.24/2,335.73
  6. Step 6: Final answer
    x = 1,777.11

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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.