Home / 2,006.67-2,768.94-1,122.29

Finding the Fourth Proportional to 2,006.67, 2,768.94 and 1,122.29

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Solution

The fourth proportional to 2,006.67, 2,768.94 and 1,122.29 is: 1,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.67 : 2,768.94 = 1,122.29 : x
  2. Step 2: Convert to fraction form
    2,006.67/2,768.94 = 1,122.29/x
  3. Step 3: Cross multiply
    2,006.67x = 2,768.94 × 1,122.29
  4. Step 4: Simplify right side
    2,006.67x = 3,107,553.67
  5. Step 5: Solve for x
    x = 3,107,553.67/2,006.67
  6. Step 6: Final answer
    x = 1,548.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.