Home / 2,163.82-3,243.41-1,545.65

Finding the Fourth Proportional to 2,163.82, 3,243.41 and 1,545.65

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Solution

The fourth proportional to 2,163.82, 3,243.41 and 1,545.65 is: 2,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.82 : 3,243.41 = 1,545.65 : x
  2. Step 2: Convert to fraction form
    2,163.82/3,243.41 = 1,545.65/x
  3. Step 3: Cross multiply
    2,163.82x = 3,243.41 × 1,545.65
  4. Step 4: Simplify right side
    2,163.82x = 5,013,176.67
  5. Step 5: Solve for x
    x = 5,013,176.67/2,163.82
  6. Step 6: Final answer
    x = 2,316.82

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1.5x scale

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.