Home / 2,105.04-2,906.50-1,359.44

Finding the Fourth Proportional to 2,105.04, 2,906.50 and 1,359.44

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Solution

The fourth proportional to 2,105.04, 2,906.50 and 1,359.44 is: 1,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105.04 : 2,906.50 = 1,359.44 : x
  2. Step 2: Convert to fraction form
    2,105.04/2,906.50 = 1,359.44/x
  3. Step 3: Cross multiply
    2,105.04x = 2,906.50 × 1,359.44
  4. Step 4: Simplify right side
    2,105.04x = 3,951,212.36
  5. Step 5: Solve for x
    x = 3,951,212.36/2,105.04
  6. Step 6: Final answer
    x = 1,877.02

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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.