Home / 2,905.00-4,025.79-2,849.60

Finding the Fourth Proportional to 2,905.00, 4,025.79 and 2,849.60

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Solution

The fourth proportional to 2,905.00, 4,025.79 and 2,849.60 is: 3,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.00 : 4,025.79 = 2,849.60 : x
  2. Step 2: Convert to fraction form
    2,905.00/4,025.79 = 2,849.60/x
  3. Step 3: Cross multiply
    2,905.00x = 4,025.79 × 2,849.60
  4. Step 4: Simplify right side
    2,905.00x = 11,471,901.25
  5. Step 5: Solve for x
    x = 11,471,901.25/2,905.00
  6. Step 6: Final answer
    x = 3,949.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.