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Finding the Fourth Proportional to 3,855.04, 5,295.08 and 3,781.24

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Solution

The fourth proportional to 3,855.04, 5,295.08 and 3,781.24 is: 5,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.04 : 5,295.08 = 3,781.24 : x
  2. Step 2: Convert to fraction form
    3,855.04/5,295.08 = 3,781.24/x
  3. Step 3: Cross multiply
    3,855.04x = 5,295.08 × 3,781.24
  4. Step 4: Simplify right side
    3,855.04x = 20,021,968.30
  5. Step 5: Solve for x
    x = 20,021,968.30/3,855.04
  6. Step 6: Final answer
    x = 5,193.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.