Home / 3,351.36-4,616.25-2,819.60

Finding the Fourth Proportional to 3,351.36, 4,616.25 and 2,819.60

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Solution

The fourth proportional to 3,351.36, 4,616.25 and 2,819.60 is: 3,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.36 : 4,616.25 = 2,819.60 : x
  2. Step 2: Convert to fraction form
    3,351.36/4,616.25 = 2,819.60/x
  3. Step 3: Cross multiply
    3,351.36x = 4,616.25 × 2,819.60
  4. Step 4: Simplify right side
    3,351.36x = 13,015,978.50
  5. Step 5: Solve for x
    x = 13,015,978.50/3,351.36
  6. Step 6: Final answer
    x = 3,883.79

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1.5x scale

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.