Home / 2,176.62-3,259.70-1,249.37

Finding the Fourth Proportional to 2,176.62, 3,259.70 and 1,249.37

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Solution

The fourth proportional to 2,176.62, 3,259.70 and 1,249.37 is: 1,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.62 : 3,259.70 = 1,249.37 : x
  2. Step 2: Convert to fraction form
    2,176.62/3,259.70 = 1,249.37/x
  3. Step 3: Cross multiply
    2,176.62x = 3,259.70 × 1,249.37
  4. Step 4: Simplify right side
    2,176.62x = 4,072,571.39
  5. Step 5: Solve for x
    x = 4,072,571.39/2,176.62
  6. Step 6: Final answer
    x = 1,871.05

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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.