Home / 3,091.44-4,636.80-1,242.48

Finding the Fourth Proportional to 3,091.44, 4,636.80 and 1,242.48

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Solution

The fourth proportional to 3,091.44, 4,636.80 and 1,242.48 is: 1,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.44 : 4,636.80 = 1,242.48 : x
  2. Step 2: Convert to fraction form
    3,091.44/4,636.80 = 1,242.48/x
  3. Step 3: Cross multiply
    3,091.44x = 4,636.80 × 1,242.48
  4. Step 4: Simplify right side
    3,091.44x = 5,761,131.26
  5. Step 5: Solve for x
    x = 5,761,131.26/3,091.44
  6. Step 6: Final answer
    x = 1,863.58

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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.