Home / 2,018.12-3,026.70-922.79

Finding the Fourth Proportional to 2,018.12, 3,026.70 and 922.79

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Solution

The fourth proportional to 2,018.12, 3,026.70 and 922.79 is: 1,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.12 : 3,026.70 = 922.79 : x
  2. Step 2: Convert to fraction form
    2,018.12/3,026.70 = 922.79/x
  3. Step 3: Cross multiply
    2,018.12x = 3,026.70 × 922.79
  4. Step 4: Simplify right side
    2,018.12x = 2,793,016.06
  5. Step 5: Solve for x
    x = 2,793,016.06/2,018.12
  6. Step 6: Final answer
    x = 1,383.97

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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.