Home / 1,474.39-2,212.26-926.43

Finding the Fourth Proportional to 1,474.39, 2,212.26 and 926.43

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Solution

The fourth proportional to 1,474.39, 2,212.26 and 926.43 is: 1,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.39 : 2,212.26 = 926.43 : x
  2. Step 2: Convert to fraction form
    1,474.39/2,212.26 = 926.43/x
  3. Step 3: Cross multiply
    1,474.39x = 2,212.26 × 926.43
  4. Step 4: Simplify right side
    1,474.39x = 2,049,504.03
  5. Step 5: Solve for x
    x = 2,049,504.03/1,474.39
  6. Step 6: Final answer
    x = 1,390.07

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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.