Home / 3,760.80-5,641.44-1,163.52

Finding the Fourth Proportional to 3,760.80, 5,641.44 and 1,163.52

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Solution

The fourth proportional to 3,760.80, 5,641.44 and 1,163.52 is: 1,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.80 : 5,641.44 = 1,163.52 : x
  2. Step 2: Convert to fraction form
    3,760.80/5,641.44 = 1,163.52/x
  3. Step 3: Cross multiply
    3,760.80x = 5,641.44 × 1,163.52
  4. Step 4: Simplify right side
    3,760.80x = 6,563,928.27
  5. Step 5: Solve for x
    x = 6,563,928.27/3,760.80
  6. Step 6: Final answer
    x = 1,745.35

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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.