Home / 3,164.03-4,747.79-1,189.60

Finding the Fourth Proportional to 3,164.03, 4,747.79 and 1,189.60

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Solution

The fourth proportional to 3,164.03, 4,747.79 and 1,189.60 is: 1,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.03 : 4,747.79 = 1,189.60 : x
  2. Step 2: Convert to fraction form
    3,164.03/4,747.79 = 1,189.60/x
  3. Step 3: Cross multiply
    3,164.03x = 4,747.79 × 1,189.60
  4. Step 4: Simplify right side
    3,164.03x = 5,647,970.98
  5. Step 5: Solve for x
    x = 5,647,970.98/3,164.03
  6. Step 6: Final answer
    x = 1,785.06

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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.