Home / 2,013.72-3,020.45-552.75

Finding the Fourth Proportional to 2,013.72, 3,020.45 and 552.75

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Solution

The fourth proportional to 2,013.72, 3,020.45 and 552.75 is: 829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.72 : 3,020.45 = 552.75 : x
  2. Step 2: Convert to fraction form
    2,013.72/3,020.45 = 552.75/x
  3. Step 3: Cross multiply
    2,013.72x = 3,020.45 × 552.75
  4. Step 4: Simplify right side
    2,013.72x = 1,669,550.97
  5. Step 5: Solve for x
    x = 1,669,550.97/2,013.72
  6. Step 6: Final answer
    x = 829.09

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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.