Home / 3,745.88-5,618.84-2,772.66

Finding the Fourth Proportional to 3,745.88, 5,618.84 and 2,772.66

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Solution

The fourth proportional to 3,745.88, 5,618.84 and 2,772.66 is: 4,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.88 : 5,618.84 = 2,772.66 : x
  2. Step 2: Convert to fraction form
    3,745.88/5,618.84 = 2,772.66/x
  3. Step 3: Cross multiply
    3,745.88x = 5,618.84 × 2,772.66
  4. Step 4: Simplify right side
    3,745.88x = 15,579,140.12
  5. Step 5: Solve for x
    x = 15,579,140.12/3,745.88
  6. Step 6: Final answer
    x = 4,159.01

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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.