Home / 3,776.88-5,665.38-1,179.84

Finding the Fourth Proportional to 3,776.88, 5,665.38 and 1,179.84

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Solution

The fourth proportional to 3,776.88, 5,665.38 and 1,179.84 is: 1,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.88 : 5,665.38 = 1,179.84 : x
  2. Step 2: Convert to fraction form
    3,776.88/5,665.38 = 1,179.84/x
  3. Step 3: Cross multiply
    3,776.88x = 5,665.38 × 1,179.84
  4. Step 4: Simplify right side
    3,776.88x = 6,684,241.94
  5. Step 5: Solve for x
    x = 6,684,241.94/3,776.88
  6. Step 6: Final answer
    x = 1,769.78

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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.