Home / 3,961.93-5,466.38-2,686.43

Finding the Fourth Proportional to 3,961.93, 5,466.38 and 2,686.43

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Solution

The fourth proportional to 3,961.93, 5,466.38 and 2,686.43 is: 3,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.93 : 5,466.38 = 2,686.43 : x
  2. Step 2: Convert to fraction form
    3,961.93/5,466.38 = 2,686.43/x
  3. Step 3: Cross multiply
    3,961.93x = 5,466.38 × 2,686.43
  4. Step 4: Simplify right side
    3,961.93x = 14,685,047.22
  5. Step 5: Solve for x
    x = 14,685,047.22/3,961.93
  6. Step 6: Final answer
    x = 3,706.54

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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.