Home / 2,998.26-4,495.44-1,242.78

Finding the Fourth Proportional to 2,998.26, 4,495.44 and 1,242.78

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Solution

The fourth proportional to 2,998.26, 4,495.44 and 1,242.78 is: 1,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.26 : 4,495.44 = 1,242.78 : x
  2. Step 2: Convert to fraction form
    2,998.26/4,495.44 = 1,242.78/x
  3. Step 3: Cross multiply
    2,998.26x = 4,495.44 × 1,242.78
  4. Step 4: Simplify right side
    2,998.26x = 5,586,842.92
  5. Step 5: Solve for x
    x = 5,586,842.92/2,998.26
  6. Step 6: Final answer
    x = 1,863.36

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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.