Home / 3,481.08-5,222.79-1,289.99

Finding the Fourth Proportional to 3,481.08, 5,222.79 and 1,289.99

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Solution

The fourth proportional to 3,481.08, 5,222.79 and 1,289.99 is: 1,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.08 : 5,222.79 = 1,289.99 : x
  2. Step 2: Convert to fraction form
    3,481.08/5,222.79 = 1,289.99/x
  3. Step 3: Cross multiply
    3,481.08x = 5,222.79 × 1,289.99
  4. Step 4: Simplify right side
    3,481.08x = 6,737,320.76
  5. Step 5: Solve for x
    x = 6,737,320.76/3,481.08
  6. Step 6: Final answer
    x = 1,935.41

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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.