Home / 2,006.44-2,769.19-1,220.33

Finding the Fourth Proportional to 2,006.44, 2,769.19 and 1,220.33

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Solution

The fourth proportional to 2,006.44, 2,769.19 and 1,220.33 is: 1,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.44 : 2,769.19 = 1,220.33 : x
  2. Step 2: Convert to fraction form
    2,006.44/2,769.19 = 1,220.33/x
  3. Step 3: Cross multiply
    2,006.44x = 2,769.19 × 1,220.33
  4. Step 4: Simplify right side
    2,006.44x = 3,379,329.50
  5. Step 5: Solve for x
    x = 3,379,329.50/2,006.44
  6. Step 6: Final answer
    x = 1,684.24

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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.