Home / 3,725.85-5,141.96-2,309.82

Finding the Fourth Proportional to 3,725.85, 5,141.96 and 2,309.82

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Solution

The fourth proportional to 3,725.85, 5,141.96 and 2,309.82 is: 3,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.85 : 5,141.96 = 2,309.82 : x
  2. Step 2: Convert to fraction form
    3,725.85/5,141.96 = 2,309.82/x
  3. Step 3: Cross multiply
    3,725.85x = 5,141.96 × 2,309.82
  4. Step 4: Simplify right side
    3,725.85x = 11,876,964.79
  5. Step 5: Solve for x
    x = 11,876,964.79/3,725.85
  6. Step 6: Final answer
    x = 3,187.72

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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.