Home / 3,851.83-5,777.11-1,771.75

Finding the Fourth Proportional to 3,851.83, 5,777.11 and 1,771.75

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Solution

The fourth proportional to 3,851.83, 5,777.11 and 1,771.75 is: 2,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.83 : 5,777.11 = 1,771.75 : x
  2. Step 2: Convert to fraction form
    3,851.83/5,777.11 = 1,771.75/x
  3. Step 3: Cross multiply
    3,851.83x = 5,777.11 × 1,771.75
  4. Step 4: Simplify right side
    3,851.83x = 10,235,594.64
  5. Step 5: Solve for x
    x = 10,235,594.64/3,851.83
  6. Step 6: Final answer
    x = 2,657.33

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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.