Home / 3,851.94-5,771.08-3,157.57

Finding the Fourth Proportional to 3,851.94, 5,771.08 and 3,157.57

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Solution

The fourth proportional to 3,851.94, 5,771.08 and 3,157.57 is: 4,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.94 : 5,771.08 = 3,157.57 : x
  2. Step 2: Convert to fraction form
    3,851.94/5,771.08 = 3,157.57/x
  3. Step 3: Cross multiply
    3,851.94x = 5,771.08 × 3,157.57
  4. Step 4: Simplify right side
    3,851.94x = 18,222,589.08
  5. Step 5: Solve for x
    x = 18,222,589.08/3,851.94
  6. Step 6: Final answer
    x = 4,730.76

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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.