Home / 3,739.92-5,159.94-2,146.56

Finding the Fourth Proportional to 3,739.92, 5,159.94 and 2,146.56

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Solution

The fourth proportional to 3,739.92, 5,159.94 and 2,146.56 is: 2,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.92 : 5,159.94 = 2,146.56 : x
  2. Step 2: Convert to fraction form
    3,739.92/5,159.94 = 2,146.56/x
  3. Step 3: Cross multiply
    3,739.92x = 5,159.94 × 2,146.56
  4. Step 4: Simplify right side
    3,739.92x = 11,076,120.81
  5. Step 5: Solve for x
    x = 11,076,120.81/3,739.92
  6. Step 6: Final answer
    x = 2,961.59

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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.