Home / 3,933.44-5,899.20-2,642.72

Finding the Fourth Proportional to 3,933.44, 5,899.20 and 2,642.72

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Solution

The fourth proportional to 3,933.44, 5,899.20 and 2,642.72 is: 3,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.44 : 5,899.20 = 2,642.72 : x
  2. Step 2: Convert to fraction form
    3,933.44/5,899.20 = 2,642.72/x
  3. Step 3: Cross multiply
    3,933.44x = 5,899.20 × 2,642.72
  4. Step 4: Simplify right side
    3,933.44x = 15,589,933.82
  5. Step 5: Solve for x
    x = 15,589,933.82/3,933.44
  6. Step 6: Final answer
    x = 3,963.44

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1.5x scale

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.