Home / 2,545.28-3,811.44-2,133.44

Finding the Fourth Proportional to 2,545.28, 3,811.44 and 2,133.44

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Solution

The fourth proportional to 2,545.28, 3,811.44 and 2,133.44 is: 3,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.28 : 3,811.44 = 2,133.44 : x
  2. Step 2: Convert to fraction form
    2,545.28/3,811.44 = 2,133.44/x
  3. Step 3: Cross multiply
    2,545.28x = 3,811.44 × 2,133.44
  4. Step 4: Simplify right side
    2,545.28x = 8,131,478.55
  5. Step 5: Solve for x
    x = 8,131,478.55/2,545.28
  6. Step 6: Final answer
    x = 3,194.73

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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.