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Finding the Fourth Proportional to 2,645.04, 3,968.02 and 796.27

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Solution

The fourth proportional to 2,645.04, 3,968.02 and 796.27 is: 1,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.04 : 3,968.02 = 796.27 : x
  2. Step 2: Convert to fraction form
    2,645.04/3,968.02 = 796.27/x
  3. Step 3: Cross multiply
    2,645.04x = 3,968.02 × 796.27
  4. Step 4: Simplify right side
    2,645.04x = 3,159,615.29
  5. Step 5: Solve for x
    x = 3,159,615.29/2,645.04
  6. Step 6: Final answer
    x = 1,194.54

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1.5x scale

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.