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Finding the Fourth Proportional to 3,800.81, 5,701.22 and 2,627.12

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Solution

The fourth proportional to 3,800.81, 5,701.22 and 2,627.12 is: 3,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.81 : 5,701.22 = 2,627.12 : x
  2. Step 2: Convert to fraction form
    3,800.81/5,701.22 = 2,627.12/x
  3. Step 3: Cross multiply
    3,800.81x = 5,701.22 × 2,627.12
  4. Step 4: Simplify right side
    3,800.81x = 14,977,747.44
  5. Step 5: Solve for x
    x = 14,977,747.44/3,800.81
  6. Step 6: Final answer
    x = 3,940.68

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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.