Home / 3,850.74-5,311.98-2,277.72

Finding the Fourth Proportional to 3,850.74, 5,311.98 and 2,277.72

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Solution

The fourth proportional to 3,850.74, 5,311.98 and 2,277.72 is: 3,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.74 : 5,311.98 = 2,277.72 : x
  2. Step 2: Convert to fraction form
    3,850.74/5,311.98 = 2,277.72/x
  3. Step 3: Cross multiply
    3,850.74x = 5,311.98 × 2,277.72
  4. Step 4: Simplify right side
    3,850.74x = 12,099,203.09
  5. Step 5: Solve for x
    x = 12,099,203.09/3,850.74
  6. Step 6: Final answer
    x = 3,142.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.