Home / 3,895.70-5,377.89-2,951.64

Finding the Fourth Proportional to 3,895.70, 5,377.89 and 2,951.64

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Solution

The fourth proportional to 3,895.70, 5,377.89 and 2,951.64 is: 4,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.70 : 5,377.89 = 2,951.64 : x
  2. Step 2: Convert to fraction form
    3,895.70/5,377.89 = 2,951.64/x
  3. Step 3: Cross multiply
    3,895.70x = 5,377.89 × 2,951.64
  4. Step 4: Simplify right side
    3,895.70x = 15,873,606.31
  5. Step 5: Solve for x
    x = 15,873,606.31/3,895.70
  6. Step 6: Final answer
    x = 4,074.65

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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.