Home / 3,901.28-5,383.38-2,308.52

Finding the Fourth Proportional to 3,901.28, 5,383.38 and 2,308.52

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Solution

The fourth proportional to 3,901.28, 5,383.38 and 2,308.52 is: 3,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.28 : 5,383.38 = 2,308.52 : x
  2. Step 2: Convert to fraction form
    3,901.28/5,383.38 = 2,308.52/x
  3. Step 3: Cross multiply
    3,901.28x = 5,383.38 × 2,308.52
  4. Step 4: Simplify right side
    3,901.28x = 12,427,640.40
  5. Step 5: Solve for x
    x = 12,427,640.40/3,901.28
  6. Step 6: Final answer
    x = 3,185.53

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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.