Home / 3,164.20-4,367.20-2,170.96

Finding the Fourth Proportional to 3,164.20, 4,367.20 and 2,170.96

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Solution

The fourth proportional to 3,164.20, 4,367.20 and 2,170.96 is: 2,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.20 : 4,367.20 = 2,170.96 : x
  2. Step 2: Convert to fraction form
    3,164.20/4,367.20 = 2,170.96/x
  3. Step 3: Cross multiply
    3,164.20x = 4,367.20 × 2,170.96
  4. Step 4: Simplify right side
    3,164.20x = 9,481,016.51
  5. Step 5: Solve for x
    x = 9,481,016.51/3,164.20
  6. Step 6: Final answer
    x = 2,996.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.