Home / 3,906.18-5,854.04-2,861.28

Finding the Fourth Proportional to 3,906.18, 5,854.04 and 2,861.28

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Solution

The fourth proportional to 3,906.18, 5,854.04 and 2,861.28 is: 4,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.18 : 5,854.04 = 2,861.28 : x
  2. Step 2: Convert to fraction form
    3,906.18/5,854.04 = 2,861.28/x
  3. Step 3: Cross multiply
    3,906.18x = 5,854.04 × 2,861.28
  4. Step 4: Simplify right side
    3,906.18x = 16,750,047.57
  5. Step 5: Solve for x
    x = 16,750,047.57/3,906.18
  6. Step 6: Final answer
    x = 4,288.09

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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.