Home / 3,945.64-5,919.84-2,634.64

Finding the Fourth Proportional to 3,945.64, 5,919.84 and 2,634.64

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Solution

The fourth proportional to 3,945.64, 5,919.84 and 2,634.64 is: 3,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.64 : 5,919.84 = 2,634.64 : x
  2. Step 2: Convert to fraction form
    3,945.64/5,919.84 = 2,634.64/x
  3. Step 3: Cross multiply
    3,945.64x = 5,919.84 × 2,634.64
  4. Step 4: Simplify right side
    3,945.64x = 15,596,647.26
  5. Step 5: Solve for x
    x = 15,596,647.26/3,945.64
  6. Step 6: Final answer
    x = 3,952.88

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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.