Home / 3,270.65-4,906.27-1,190.87

Finding the Fourth Proportional to 3,270.65, 4,906.27 and 1,190.87

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Solution

The fourth proportional to 3,270.65, 4,906.27 and 1,190.87 is: 1,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.65 : 4,906.27 = 1,190.87 : x
  2. Step 2: Convert to fraction form
    3,270.65/4,906.27 = 1,190.87/x
  3. Step 3: Cross multiply
    3,270.65x = 4,906.27 × 1,190.87
  4. Step 4: Simplify right side
    3,270.65x = 5,842,725.11
  5. Step 5: Solve for x
    x = 5,842,725.11/3,270.65
  6. Step 6: Final answer
    x = 1,786.41

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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.