Home / 3,119.06-4,679.49-1,171.41

Finding the Fourth Proportional to 3,119.06, 4,679.49 and 1,171.41

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Solution

The fourth proportional to 3,119.06, 4,679.49 and 1,171.41 is: 1,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.06 : 4,679.49 = 1,171.41 : x
  2. Step 2: Convert to fraction form
    3,119.06/4,679.49 = 1,171.41/x
  3. Step 3: Cross multiply
    3,119.06x = 4,679.49 × 1,171.41
  4. Step 4: Simplify right side
    3,119.06x = 5,481,601.38
  5. Step 5: Solve for x
    x = 5,481,601.38/3,119.06
  6. Step 6: Final answer
    x = 1,757.45

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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.