Home / 1,896.05-2,842.26-1,200.74

Finding the Fourth Proportional to 1,896.05, 2,842.26 and 1,200.74

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Solution

The fourth proportional to 1,896.05, 2,842.26 and 1,200.74 is: 1,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.05 : 2,842.26 = 1,200.74 : x
  2. Step 2: Convert to fraction form
    1,896.05/2,842.26 = 1,200.74/x
  3. Step 3: Cross multiply
    1,896.05x = 2,842.26 × 1,200.74
  4. Step 4: Simplify right side
    1,896.05x = 3,412,801.06
  5. Step 5: Solve for x
    x = 3,412,801.06/1,896.05
  6. Step 6: Final answer
    x = 1,799.96

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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.