Home / 3,942.32-5,909.48-2,556.53

Finding the Fourth Proportional to 3,942.32, 5,909.48 and 2,556.53

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Solution

The fourth proportional to 3,942.32, 5,909.48 and 2,556.53 is: 3,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.32 : 5,909.48 = 2,556.53 : x
  2. Step 2: Convert to fraction form
    3,942.32/5,909.48 = 2,556.53/x
  3. Step 3: Cross multiply
    3,942.32x = 5,909.48 × 2,556.53
  4. Step 4: Simplify right side
    3,942.32x = 15,107,750.12
  5. Step 5: Solve for x
    x = 15,107,750.12/3,942.32
  6. Step 6: Final answer
    x = 3,832.20

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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.