Home / 3,105.54-4,288.05-2,043.99

Finding the Fourth Proportional to 3,105.54, 4,288.05 and 2,043.99

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Solution

The fourth proportional to 3,105.54, 4,288.05 and 2,043.99 is: 2,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.54 : 4,288.05 = 2,043.99 : x
  2. Step 2: Convert to fraction form
    3,105.54/4,288.05 = 2,043.99/x
  3. Step 3: Cross multiply
    3,105.54x = 4,288.05 × 2,043.99
  4. Step 4: Simplify right side
    3,105.54x = 8,764,731.32
  5. Step 5: Solve for x
    x = 8,764,731.32/3,105.54
  6. Step 6: Final answer
    x = 2,822.29

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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.