Home / 3,164.82-4,745.25-1,214.70

Finding the Fourth Proportional to 3,164.82, 4,745.25 and 1,214.70

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Solution

The fourth proportional to 3,164.82, 4,745.25 and 1,214.70 is: 1,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.82 : 4,745.25 = 1,214.70 : x
  2. Step 2: Convert to fraction form
    3,164.82/4,745.25 = 1,214.70/x
  3. Step 3: Cross multiply
    3,164.82x = 4,745.25 × 1,214.70
  4. Step 4: Simplify right side
    3,164.82x = 5,764,055.18
  5. Step 5: Solve for x
    x = 5,764,055.18/3,164.82
  6. Step 6: Final answer
    x = 1,821.29

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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.