Home / 2,163.43-3,248.39-2,087.83

Finding the Fourth Proportional to 2,163.43, 3,248.39 and 2,087.83

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Solution

The fourth proportional to 2,163.43, 3,248.39 and 2,087.83 is: 3,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.43 : 3,248.39 = 2,087.83 : x
  2. Step 2: Convert to fraction form
    2,163.43/3,248.39 = 2,087.83/x
  3. Step 3: Cross multiply
    2,163.43x = 3,248.39 × 2,087.83
  4. Step 4: Simplify right side
    2,163.43x = 6,782,075.65
  5. Step 5: Solve for x
    x = 6,782,075.65/2,163.43
  6. Step 6: Final answer
    x = 3,134.87

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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.