Home / 3,977.25-5,961.51-1,782.96

Finding the Fourth Proportional to 3,977.25, 5,961.51 and 1,782.96

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Solution

The fourth proportional to 3,977.25, 5,961.51 and 1,782.96 is: 2,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.25 : 5,961.51 = 1,782.96 : x
  2. Step 2: Convert to fraction form
    3,977.25/5,961.51 = 1,782.96/x
  3. Step 3: Cross multiply
    3,977.25x = 5,961.51 × 1,782.96
  4. Step 4: Simplify right side
    3,977.25x = 10,629,133.87
  5. Step 5: Solve for x
    x = 10,629,133.87/3,977.25
  6. Step 6: Final answer
    x = 2,672.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.