Home / 2,826.75-3,900.96-1,567.83

Finding the Fourth Proportional to 2,826.75, 3,900.96 and 1,567.83

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Solution

The fourth proportional to 2,826.75, 3,900.96 and 1,567.83 is: 2,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.75 : 3,900.96 = 1,567.83 : x
  2. Step 2: Convert to fraction form
    2,826.75/3,900.96 = 1,567.83/x
  3. Step 3: Cross multiply
    2,826.75x = 3,900.96 × 1,567.83
  4. Step 4: Simplify right side
    2,826.75x = 6,116,042.12
  5. Step 5: Solve for x
    x = 6,116,042.12/2,826.75
  6. Step 6: Final answer
    x = 2,163.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.