Home / 3,965.37-5,472.75-2,286.87

Finding the Fourth Proportional to 3,965.37, 5,472.75 and 2,286.87

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Solution

The fourth proportional to 3,965.37, 5,472.75 and 2,286.87 is: 3,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.37 : 5,472.75 = 2,286.87 : x
  2. Step 2: Convert to fraction form
    3,965.37/5,472.75 = 2,286.87/x
  3. Step 3: Cross multiply
    3,965.37x = 5,472.75 × 2,286.87
  4. Step 4: Simplify right side
    3,965.37x = 12,515,467.79
  5. Step 5: Solve for x
    x = 12,515,467.79/3,965.37
  6. Step 6: Final answer
    x = 3,156.19

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1.5x scale

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.