Home / 2,194.62-3,288.30-1,327.14

Finding the Fourth Proportional to 2,194.62, 3,288.30 and 1,327.14

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Solution

The fourth proportional to 2,194.62, 3,288.30 and 1,327.14 is: 1,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.62 : 3,288.30 = 1,327.14 : x
  2. Step 2: Convert to fraction form
    2,194.62/3,288.30 = 1,327.14/x
  3. Step 3: Cross multiply
    2,194.62x = 3,288.30 × 1,327.14
  4. Step 4: Simplify right side
    2,194.62x = 4,364,034.46
  5. Step 5: Solve for x
    x = 4,364,034.46/2,194.62
  6. Step 6: Final answer
    x = 1,988.51

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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.