Home / 2,545.26-3,819.78-1,894.02

Finding the Fourth Proportional to 2,545.26, 3,819.78 and 1,894.02

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Solution

The fourth proportional to 2,545.26, 3,819.78 and 1,894.02 is: 2,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.26 : 3,819.78 = 1,894.02 : x
  2. Step 2: Convert to fraction form
    2,545.26/3,819.78 = 1,894.02/x
  3. Step 3: Cross multiply
    2,545.26x = 3,819.78 × 1,894.02
  4. Step 4: Simplify right side
    2,545.26x = 7,234,739.72
  5. Step 5: Solve for x
    x = 7,234,739.72/2,545.26
  6. Step 6: Final answer
    x = 2,842.44

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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.