Home / 3,091.26-4,635.92-1,010.80

Finding the Fourth Proportional to 3,091.26, 4,635.92 and 1,010.80

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Solution

The fourth proportional to 3,091.26, 4,635.92 and 1,010.80 is: 1,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.26 : 4,635.92 = 1,010.80 : x
  2. Step 2: Convert to fraction form
    3,091.26/4,635.92 = 1,010.80/x
  3. Step 3: Cross multiply
    3,091.26x = 4,635.92 × 1,010.80
  4. Step 4: Simplify right side
    3,091.26x = 4,685,987.94
  5. Step 5: Solve for x
    x = 4,685,987.94/3,091.26
  6. Step 6: Final answer
    x = 1,515.88

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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.