Home / 2,545.64-3,819.09-1,375.14

Finding the Fourth Proportional to 2,545.64, 3,819.09 and 1,375.14

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Solution

The fourth proportional to 2,545.64, 3,819.09 and 1,375.14 is: 2,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.64 : 3,819.09 = 1,375.14 : x
  2. Step 2: Convert to fraction form
    2,545.64/3,819.09 = 1,375.14/x
  3. Step 3: Cross multiply
    2,545.64x = 3,819.09 × 1,375.14
  4. Step 4: Simplify right side
    2,545.64x = 5,251,783.42
  5. Step 5: Solve for x
    x = 5,251,783.42/2,545.64
  6. Step 6: Final answer
    x = 2,063.05

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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.