Home / 3,784.62-5,676.69-1,811.66

Finding the Fourth Proportional to 3,784.62, 5,676.69 and 1,811.66

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Solution

The fourth proportional to 3,784.62, 5,676.69 and 1,811.66 is: 2,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.62 : 5,676.69 = 1,811.66 : x
  2. Step 2: Convert to fraction form
    3,784.62/5,676.69 = 1,811.66/x
  3. Step 3: Cross multiply
    3,784.62x = 5,676.69 × 1,811.66
  4. Step 4: Simplify right side
    3,784.62x = 10,284,203.82
  5. Step 5: Solve for x
    x = 10,284,203.82/3,784.62
  6. Step 6: Final answer
    x = 2,717.37

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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.