Home / 2,163.08-3,239.49-2,119.00

Finding the Fourth Proportional to 2,163.08, 3,239.49 and 2,119.00

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Solution

The fourth proportional to 2,163.08, 3,239.49 and 2,119.00 is: 3,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.08 : 3,239.49 = 2,119.00 : x
  2. Step 2: Convert to fraction form
    2,163.08/3,239.49 = 2,119.00/x
  3. Step 3: Cross multiply
    2,163.08x = 3,239.49 × 2,119.00
  4. Step 4: Simplify right side
    2,163.08x = 6,864,480.68
  5. Step 5: Solve for x
    x = 6,864,480.68/2,163.08
  6. Step 6: Final answer
    x = 3,173.48

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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.