Home / 2,549.26-3,819.32-1,561.58

Finding the Fourth Proportional to 2,549.26, 3,819.32 and 1,561.58

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Solution

The fourth proportional to 2,549.26, 3,819.32 and 1,561.58 is: 2,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.26 : 3,819.32 = 1,561.58 : x
  2. Step 2: Convert to fraction form
    2,549.26/3,819.32 = 1,561.58/x
  3. Step 3: Cross multiply
    2,549.26x = 3,819.32 × 1,561.58
  4. Step 4: Simplify right side
    2,549.26x = 5,964,173.73
  5. Step 5: Solve for x
    x = 5,964,173.73/2,549.26
  6. Step 6: Final answer
    x = 2,339.57

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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.