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Finding the Fourth Proportional to 2,256.39, 3,385.66 and 796.23

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Solution

The fourth proportional to 2,256.39, 3,385.66 and 796.23 is: 1,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.39 : 3,385.66 = 796.23 : x
  2. Step 2: Convert to fraction form
    2,256.39/3,385.66 = 796.23/x
  3. Step 3: Cross multiply
    2,256.39x = 3,385.66 × 796.23
  4. Step 4: Simplify right side
    2,256.39x = 2,695,764.06
  5. Step 5: Solve for x
    x = 2,695,764.06/2,256.39
  6. Step 6: Final answer
    x = 1,194.72

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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.