Home / 2,266.38-3,392.28-1,276.56

Finding the Fourth Proportional to 2,266.38, 3,392.28 and 1,276.56

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Solution

The fourth proportional to 2,266.38, 3,392.28 and 1,276.56 is: 1,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.38 : 3,392.28 = 1,276.56 : x
  2. Step 2: Convert to fraction form
    2,266.38/3,392.28 = 1,276.56/x
  3. Step 3: Cross multiply
    2,266.38x = 3,392.28 × 1,276.56
  4. Step 4: Simplify right side
    2,266.38x = 4,330,448.96
  5. Step 5: Solve for x
    x = 4,330,448.96/2,266.38
  6. Step 6: Final answer
    x = 1,910.73

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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.