Home / 2,163.32-3,242.66-1,545.15

Finding the Fourth Proportional to 2,163.32, 3,242.66 and 1,545.15

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Solution

The fourth proportional to 2,163.32, 3,242.66 and 1,545.15 is: 2,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.32 : 3,242.66 = 1,545.15 : x
  2. Step 2: Convert to fraction form
    2,163.32/3,242.66 = 1,545.15/x
  3. Step 3: Cross multiply
    2,163.32x = 3,242.66 × 1,545.15
  4. Step 4: Simplify right side
    2,163.32x = 5,010,390.98
  5. Step 5: Solve for x
    x = 5,010,390.98/2,163.32
  6. Step 6: Final answer
    x = 2,316.07

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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.