Home / 3,243.44-4,865.36-1,394.16

Finding the Fourth Proportional to 3,243.44, 4,865.36 and 1,394.16

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Solution

The fourth proportional to 3,243.44, 4,865.36 and 1,394.16 is: 2,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.44 : 4,865.36 = 1,394.16 : x
  2. Step 2: Convert to fraction form
    3,243.44/4,865.36 = 1,394.16/x
  3. Step 3: Cross multiply
    3,243.44x = 4,865.36 × 1,394.16
  4. Step 4: Simplify right side
    3,243.44x = 6,783,090.30
  5. Step 5: Solve for x
    x = 6,783,090.30/3,243.44
  6. Step 6: Final answer
    x = 2,091.33

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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.