Home / 2,809.26-4,211.96-1,248.44

Finding the Fourth Proportional to 2,809.26, 4,211.96 and 1,248.44

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Solution

The fourth proportional to 2,809.26, 4,211.96 and 1,248.44 is: 1,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.26 : 4,211.96 = 1,248.44 : x
  2. Step 2: Convert to fraction form
    2,809.26/4,211.96 = 1,248.44/x
  3. Step 3: Cross multiply
    2,809.26x = 4,211.96 × 1,248.44
  4. Step 4: Simplify right side
    2,809.26x = 5,258,352.04
  5. Step 5: Solve for x
    x = 5,258,352.04/2,809.26
  6. Step 6: Final answer
    x = 1,871.79

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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.