Home / 3,844.56-5,305.75-2,165.81

Finding the Fourth Proportional to 3,844.56, 5,305.75 and 2,165.81

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Solution

The fourth proportional to 3,844.56, 5,305.75 and 2,165.81 is: 2,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.56 : 5,305.75 = 2,165.81 : x
  2. Step 2: Convert to fraction form
    3,844.56/5,305.75 = 2,165.81/x
  3. Step 3: Cross multiply
    3,844.56x = 5,305.75 × 2,165.81
  4. Step 4: Simplify right side
    3,844.56x = 11,491,244.31
  5. Step 5: Solve for x
    x = 11,491,244.31/3,844.56
  6. Step 6: Final answer
    x = 2,988.96

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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.