Home / 3,433.62-4,738.41-1,861.71

Finding the Fourth Proportional to 3,433.62, 4,738.41 and 1,861.71

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Solution

The fourth proportional to 3,433.62, 4,738.41 and 1,861.71 is: 2,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.62 : 4,738.41 = 1,861.71 : x
  2. Step 2: Convert to fraction form
    3,433.62/4,738.41 = 1,861.71/x
  3. Step 3: Cross multiply
    3,433.62x = 4,738.41 × 1,861.71
  4. Step 4: Simplify right side
    3,433.62x = 8,821,545.28
  5. Step 5: Solve for x
    x = 8,821,545.28/3,433.62
  6. Step 6: Final answer
    x = 2,569.17

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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.