Home / 1,951.39-2,923.19-1,333.56

Finding the Fourth Proportional to 1,951.39, 2,923.19 and 1,333.56

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Solution

The fourth proportional to 1,951.39, 2,923.19 and 1,333.56 is: 1,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.39 : 2,923.19 = 1,333.56 : x
  2. Step 2: Convert to fraction form
    1,951.39/2,923.19 = 1,333.56/x
  3. Step 3: Cross multiply
    1,951.39x = 2,923.19 × 1,333.56
  4. Step 4: Simplify right side
    1,951.39x = 3,898,249.26
  5. Step 5: Solve for x
    x = 3,898,249.26/1,951.39
  6. Step 6: Final answer
    x = 1,997.68

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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.