Home / 3,471.24-5,212.26-2,815.68

Finding the Fourth Proportional to 3,471.24, 5,212.26 and 2,815.68

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Solution

The fourth proportional to 3,471.24, 5,212.26 and 2,815.68 is: 4,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.24 : 5,212.26 = 2,815.68 : x
  2. Step 2: Convert to fraction form
    3,471.24/5,212.26 = 2,815.68/x
  3. Step 3: Cross multiply
    3,471.24x = 5,212.26 × 2,815.68
  4. Step 4: Simplify right side
    3,471.24x = 14,676,056.24
  5. Step 5: Solve for x
    x = 14,676,056.24/3,471.24
  6. Step 6: Final answer
    x = 4,227.90

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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.