Home / 2,020.94-3,027.32-923.79

Finding the Fourth Proportional to 2,020.94, 3,027.32 and 923.79

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Solution

The fourth proportional to 2,020.94, 3,027.32 and 923.79 is: 1,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.94 : 3,027.32 = 923.79 : x
  2. Step 2: Convert to fraction form
    2,020.94/3,027.32 = 923.79/x
  3. Step 3: Cross multiply
    2,020.94x = 3,027.32 × 923.79
  4. Step 4: Simplify right side
    2,020.94x = 2,796,607.94
  5. Step 5: Solve for x
    x = 2,796,607.94/2,020.94
  6. Step 6: Final answer
    x = 1,383.82

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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.