Home / 2,987.36-4,480.91-796.09

Finding the Fourth Proportional to 2,987.36, 4,480.91 and 796.09

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Solution

The fourth proportional to 2,987.36, 4,480.91 and 796.09 is: 1,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.36 : 4,480.91 = 796.09 : x
  2. Step 2: Convert to fraction form
    2,987.36/4,480.91 = 796.09/x
  3. Step 3: Cross multiply
    2,987.36x = 4,480.91 × 796.09
  4. Step 4: Simplify right side
    2,987.36x = 3,567,193.48
  5. Step 5: Solve for x
    x = 3,567,193.48/2,987.36
  6. Step 6: Final answer
    x = 1,194.10

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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.