Home / 2,164.22-3,247.01-1,191.00

Finding the Fourth Proportional to 2,164.22, 3,247.01 and 1,191.00

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Solution

The fourth proportional to 2,164.22, 3,247.01 and 1,191.00 is: 1,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.22 : 3,247.01 = 1,191.00 : x
  2. Step 2: Convert to fraction form
    2,164.22/3,247.01 = 1,191.00/x
  3. Step 3: Cross multiply
    2,164.22x = 3,247.01 × 1,191.00
  4. Step 4: Simplify right side
    2,164.22x = 3,867,202.95
  5. Step 5: Solve for x
    x = 3,867,202.95/2,164.22
  6. Step 6: Final answer
    x = 1,786.88

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1.5x scale

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.