Home / 3,861.55-5,792.57-1,362.43

Finding the Fourth Proportional to 3,861.55, 5,792.57 and 1,362.43

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Solution

The fourth proportional to 3,861.55, 5,792.57 and 1,362.43 is: 2,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.55 : 5,792.57 = 1,362.43 : x
  2. Step 2: Convert to fraction form
    3,861.55/5,792.57 = 1,362.43/x
  3. Step 3: Cross multiply
    3,861.55x = 5,792.57 × 1,362.43
  4. Step 4: Simplify right side
    3,861.55x = 7,891,942.18
  5. Step 5: Solve for x
    x = 7,891,942.18/3,861.55
  6. Step 6: Final answer
    x = 2,043.72

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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.