Home / 3,847.52-5,771.28-2,808.02

Finding the Fourth Proportional to 3,847.52, 5,771.28 and 2,808.02

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Solution

The fourth proportional to 3,847.52, 5,771.28 and 2,808.02 is: 4,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.52 : 5,771.28 = 2,808.02 : x
  2. Step 2: Convert to fraction form
    3,847.52/5,771.28 = 2,808.02/x
  3. Step 3: Cross multiply
    3,847.52x = 5,771.28 × 2,808.02
  4. Step 4: Simplify right side
    3,847.52x = 16,205,869.67
  5. Step 5: Solve for x
    x = 16,205,869.67/3,847.52
  6. Step 6: Final answer
    x = 4,212.03

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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.