Home / 3,775.20-5,661.99-1,176.72

Finding the Fourth Proportional to 3,775.20, 5,661.99 and 1,176.72

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Solution

The fourth proportional to 3,775.20, 5,661.99 and 1,176.72 is: 1,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.20 : 5,661.99 = 1,176.72 : x
  2. Step 2: Convert to fraction form
    3,775.20/5,661.99 = 1,176.72/x
  3. Step 3: Cross multiply
    3,775.20x = 5,661.99 × 1,176.72
  4. Step 4: Simplify right side
    3,775.20x = 6,662,576.87
  5. Step 5: Solve for x
    x = 6,662,576.87/3,775.20
  6. Step 6: Final answer
    x = 1,764.83

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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.