Home / 2,006.80-3,010.09-1,190.26

Finding the Fourth Proportional to 2,006.80, 3,010.09 and 1,190.26

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Solution

The fourth proportional to 2,006.80, 3,010.09 and 1,190.26 is: 1,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.80 : 3,010.09 = 1,190.26 : x
  2. Step 2: Convert to fraction form
    2,006.80/3,010.09 = 1,190.26/x
  3. Step 3: Cross multiply
    2,006.80x = 3,010.09 × 1,190.26
  4. Step 4: Simplify right side
    2,006.80x = 3,582,795.74
  5. Step 5: Solve for x
    x = 3,582,795.74/2,006.80
  6. Step 6: Final answer
    x = 1,785.33

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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.