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Finding the Fourth Proportional to 3,954.12, 5,932.05 and 1,181.04

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Solution

The fourth proportional to 3,954.12, 5,932.05 and 1,181.04 is: 1,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.12 : 5,932.05 = 1,181.04 : x
  2. Step 2: Convert to fraction form
    3,954.12/5,932.05 = 1,181.04/x
  3. Step 3: Cross multiply
    3,954.12x = 5,932.05 × 1,181.04
  4. Step 4: Simplify right side
    3,954.12x = 7,005,988.33
  5. Step 5: Solve for x
    x = 7,005,988.33/3,954.12
  6. Step 6: Final answer
    x = 1,771.82

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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.