Home / 3,372.72-5,054.32-1,908.80

Finding the Fourth Proportional to 3,372.72, 5,054.32 and 1,908.80

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Solution

The fourth proportional to 3,372.72, 5,054.32 and 1,908.80 is: 2,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.72 : 5,054.32 = 1,908.80 : x
  2. Step 2: Convert to fraction form
    3,372.72/5,054.32 = 1,908.80/x
  3. Step 3: Cross multiply
    3,372.72x = 5,054.32 × 1,908.80
  4. Step 4: Simplify right side
    3,372.72x = 9,647,686.02
  5. Step 5: Solve for x
    x = 9,647,686.02/3,372.72
  6. Step 6: Final answer
    x = 2,860.51

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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.