Home / 2,009.60-3,015.48-1,936.88

Finding the Fourth Proportional to 2,009.60, 3,015.48 and 1,936.88

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Solution

The fourth proportional to 2,009.60, 3,015.48 and 1,936.88 is: 2,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.60 : 3,015.48 = 1,936.88 : x
  2. Step 2: Convert to fraction form
    2,009.60/3,015.48 = 1,936.88/x
  3. Step 3: Cross multiply
    2,009.60x = 3,015.48 × 1,936.88
  4. Step 4: Simplify right side
    2,009.60x = 5,840,622.90
  5. Step 5: Solve for x
    x = 5,840,622.90/2,009.60
  6. Step 6: Final answer
    x = 2,906.36

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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.