Home / 1,819.14-2,725.12-1,427.19

Finding the Fourth Proportional to 1,819.14, 2,725.12 and 1,427.19

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Solution

The fourth proportional to 1,819.14, 2,725.12 and 1,427.19 is: 2,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.14 : 2,725.12 = 1,427.19 : x
  2. Step 2: Convert to fraction form
    1,819.14/2,725.12 = 1,427.19/x
  3. Step 3: Cross multiply
    1,819.14x = 2,725.12 × 1,427.19
  4. Step 4: Simplify right side
    1,819.14x = 3,889,260.44
  5. Step 5: Solve for x
    x = 3,889,260.44/1,819.14
  6. Step 6: Final answer
    x = 2,137.97

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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.