Home / 3,815.37-5,711.85-2,894.54

Finding the Fourth Proportional to 3,815.37, 5,711.85 and 2,894.54

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Solution

The fourth proportional to 3,815.37, 5,711.85 and 2,894.54 is: 4,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.37 : 5,711.85 = 2,894.54 : x
  2. Step 2: Convert to fraction form
    3,815.37/5,711.85 = 2,894.54/x
  3. Step 3: Cross multiply
    3,815.37x = 5,711.85 × 2,894.54
  4. Step 4: Simplify right side
    3,815.37x = 16,533,149.74
  5. Step 5: Solve for x
    x = 16,533,149.74/3,815.37
  6. Step 6: Final answer
    x = 4,333.30

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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.