Home / 3,086.73-4,629.33-1,212.99

Finding the Fourth Proportional to 3,086.73, 4,629.33 and 1,212.99

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Solution

The fourth proportional to 3,086.73, 4,629.33 and 1,212.99 is: 1,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.73 : 4,629.33 = 1,212.99 : x
  2. Step 2: Convert to fraction form
    3,086.73/4,629.33 = 1,212.99/x
  3. Step 3: Cross multiply
    3,086.73x = 4,629.33 × 1,212.99
  4. Step 4: Simplify right side
    3,086.73x = 5,615,331.00
  5. Step 5: Solve for x
    x = 5,615,331.00/3,086.73
  6. Step 6: Final answer
    x = 1,819.18

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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.