Home / 2,383.54-3,289.01-1,321.04

Finding the Fourth Proportional to 2,383.54, 3,289.01 and 1,321.04

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Solution

The fourth proportional to 2,383.54, 3,289.01 and 1,321.04 is: 1,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.54 : 3,289.01 = 1,321.04 : x
  2. Step 2: Convert to fraction form
    2,383.54/3,289.01 = 1,321.04/x
  3. Step 3: Cross multiply
    2,383.54x = 3,289.01 × 1,321.04
  4. Step 4: Simplify right side
    2,383.54x = 4,344,909.27
  5. Step 5: Solve for x
    x = 4,344,909.27/2,383.54
  6. Step 6: Final answer
    x = 1,822.88

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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.