Home / 2,761.32-4,133.76-1,833.66

Finding the Fourth Proportional to 2,761.32, 4,133.76 and 1,833.66

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Solution

The fourth proportional to 2,761.32, 4,133.76 and 1,833.66 is: 2,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.32 : 4,133.76 = 1,833.66 : x
  2. Step 2: Convert to fraction form
    2,761.32/4,133.76 = 1,833.66/x
  3. Step 3: Cross multiply
    2,761.32x = 4,133.76 × 1,833.66
  4. Step 4: Simplify right side
    2,761.32x = 7,579,910.36
  5. Step 5: Solve for x
    x = 7,579,910.36/2,761.32
  6. Step 6: Final answer
    x = 2,745.03

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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.