Home / 3,747.12-5,618.52-1,435.92

Finding the Fourth Proportional to 3,747.12, 5,618.52 and 1,435.92

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Solution

The fourth proportional to 3,747.12, 5,618.52 and 1,435.92 is: 2,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.12 : 5,618.52 = 1,435.92 : x
  2. Step 2: Convert to fraction form
    3,747.12/5,618.52 = 1,435.92/x
  3. Step 3: Cross multiply
    3,747.12x = 5,618.52 × 1,435.92
  4. Step 4: Simplify right side
    3,747.12x = 8,067,745.24
  5. Step 5: Solve for x
    x = 8,067,745.24/3,747.12
  6. Step 6: Final answer
    x = 2,153.05

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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.