Home / 2,176.86-3,265.32-1,200.84

Finding the Fourth Proportional to 2,176.86, 3,265.32 and 1,200.84

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Solution

The fourth proportional to 2,176.86, 3,265.32 and 1,200.84 is: 1,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.86 : 3,265.32 = 1,200.84 : x
  2. Step 2: Convert to fraction form
    2,176.86/3,265.32 = 1,200.84/x
  3. Step 3: Cross multiply
    2,176.86x = 3,265.32 × 1,200.84
  4. Step 4: Simplify right side
    2,176.86x = 3,921,126.87
  5. Step 5: Solve for x
    x = 3,921,126.87/2,176.86
  6. Step 6: Final answer
    x = 1,801.28

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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.