Home / 3,110.45-4,665.80-1,161.59

Finding the Fourth Proportional to 3,110.45, 4,665.80 and 1,161.59

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Solution

The fourth proportional to 3,110.45, 4,665.80 and 1,161.59 is: 1,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.45 : 4,665.80 = 1,161.59 : x
  2. Step 2: Convert to fraction form
    3,110.45/4,665.80 = 1,161.59/x
  3. Step 3: Cross multiply
    3,110.45x = 4,665.80 × 1,161.59
  4. Step 4: Simplify right side
    3,110.45x = 5,419,726.20
  5. Step 5: Solve for x
    x = 5,419,726.20/3,110.45
  6. Step 6: Final answer
    x = 1,742.43

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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.