Home / 2,383.29-3,288.80-1,321.02

Finding the Fourth Proportional to 2,383.29, 3,288.80 and 1,321.02

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Solution

The fourth proportional to 2,383.29, 3,288.80 and 1,321.02 is: 1,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.29 : 3,288.80 = 1,321.02 : x
  2. Step 2: Convert to fraction form
    2,383.29/3,288.80 = 1,321.02/x
  3. Step 3: Cross multiply
    2,383.29x = 3,288.80 × 1,321.02
  4. Step 4: Simplify right side
    2,383.29x = 4,344,563.97
  5. Step 5: Solve for x
    x = 4,344,563.97/2,383.29
  6. Step 6: Final answer
    x = 1,822.93

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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.