Home / 3,365.36-5,049.50-1,286.00

Finding the Fourth Proportional to 3,365.36, 5,049.50 and 1,286.00

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Solution

The fourth proportional to 3,365.36, 5,049.50 and 1,286.00 is: 1,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.36 : 5,049.50 = 1,286.00 : x
  2. Step 2: Convert to fraction form
    3,365.36/5,049.50 = 1,286.00/x
  3. Step 3: Cross multiply
    3,365.36x = 5,049.50 × 1,286.00
  4. Step 4: Simplify right side
    3,365.36x = 6,493,625.32
  5. Step 5: Solve for x
    x = 6,493,625.32/3,365.36
  6. Step 6: Final answer
    x = 1,929.55

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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.