Home / 3,861.29-5,791.93-1,396.10

Finding the Fourth Proportional to 3,861.29, 5,791.93 and 1,396.10

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Solution

The fourth proportional to 3,861.29, 5,791.93 and 1,396.10 is: 2,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.29 : 5,791.93 = 1,396.10 : x
  2. Step 2: Convert to fraction form
    3,861.29/5,791.93 = 1,396.10/x
  3. Step 3: Cross multiply
    3,861.29x = 5,791.93 × 1,396.10
  4. Step 4: Simplify right side
    3,861.29x = 8,086,124.46
  5. Step 5: Solve for x
    x = 8,086,124.46/3,861.29
  6. Step 6: Final answer
    x = 2,094.15

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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.