Home / 3,433.82-4,738.66-1,861.91

Finding the Fourth Proportional to 3,433.82, 4,738.66 and 1,861.91

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Solution

The fourth proportional to 3,433.82, 4,738.66 and 1,861.91 is: 2,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.82 : 4,738.66 = 1,861.91 : x
  2. Step 2: Convert to fraction form
    3,433.82/4,738.66 = 1,861.91/x
  3. Step 3: Cross multiply
    3,433.82x = 4,738.66 × 1,861.91
  4. Step 4: Simplify right side
    3,433.82x = 8,822,958.44
  5. Step 5: Solve for x
    x = 8,822,958.44/3,433.82
  6. Step 6: Final answer
    x = 2,569.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.