Home / 2,190.27-3,286.19-1,346.93

Finding the Fourth Proportional to 2,190.27, 3,286.19 and 1,346.93

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Solution

The fourth proportional to 2,190.27, 3,286.19 and 1,346.93 is: 2,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.27 : 3,286.19 = 1,346.93 : x
  2. Step 2: Convert to fraction form
    2,190.27/3,286.19 = 1,346.93/x
  3. Step 3: Cross multiply
    2,190.27x = 3,286.19 × 1,346.93
  4. Step 4: Simplify right side
    2,190.27x = 4,426,267.90
  5. Step 5: Solve for x
    x = 4,426,267.90/2,190.27
  6. Step 6: Final answer
    x = 2,020.88

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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.