Home / 3,383.28-5,078.12-1,845.36

Finding the Fourth Proportional to 3,383.28, 5,078.12 and 1,845.36

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Solution

The fourth proportional to 3,383.28, 5,078.12 and 1,845.36 is: 2,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.28 : 5,078.12 = 1,845.36 : x
  2. Step 2: Convert to fraction form
    3,383.28/5,078.12 = 1,845.36/x
  3. Step 3: Cross multiply
    3,383.28x = 5,078.12 × 1,845.36
  4. Step 4: Simplify right side
    3,383.28x = 9,370,959.52
  5. Step 5: Solve for x
    x = 9,370,959.52/3,383.28
  6. Step 6: Final answer
    x = 2,769.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.