Home / 3,369.78-5,054.70-1,178.56

Finding the Fourth Proportional to 3,369.78, 5,054.70 and 1,178.56

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Solution

The fourth proportional to 3,369.78, 5,054.70 and 1,178.56 is: 1,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.78 : 5,054.70 = 1,178.56 : x
  2. Step 2: Convert to fraction form
    3,369.78/5,054.70 = 1,178.56/x
  3. Step 3: Cross multiply
    3,369.78x = 5,054.70 × 1,178.56
  4. Step 4: Simplify right side
    3,369.78x = 5,957,277.97
  5. Step 5: Solve for x
    x = 5,957,277.97/3,369.78
  6. Step 6: Final answer
    x = 1,767.85

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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.