Home / 3,786.15-5,673.96-1,443.72

Finding the Fourth Proportional to 3,786.15, 5,673.96 and 1,443.72

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Solution

The fourth proportional to 3,786.15, 5,673.96 and 1,443.72 is: 2,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.15 : 5,673.96 = 1,443.72 : x
  2. Step 2: Convert to fraction form
    3,786.15/5,673.96 = 1,443.72/x
  3. Step 3: Cross multiply
    3,786.15x = 5,673.96 × 1,443.72
  4. Step 4: Simplify right side
    3,786.15x = 8,191,609.53
  5. Step 5: Solve for x
    x = 8,191,609.53/3,786.15
  6. Step 6: Final answer
    x = 2,163.57

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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.