Home / 3,158.94-4,736.66-1,209.54

Finding the Fourth Proportional to 3,158.94, 4,736.66 and 1,209.54

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Solution

The fourth proportional to 3,158.94, 4,736.66 and 1,209.54 is: 1,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.94 : 4,736.66 = 1,209.54 : x
  2. Step 2: Convert to fraction form
    3,158.94/4,736.66 = 1,209.54/x
  3. Step 3: Cross multiply
    3,158.94x = 4,736.66 × 1,209.54
  4. Step 4: Simplify right side
    3,158.94x = 5,729,173.69
  5. Step 5: Solve for x
    x = 5,729,173.69/3,158.94
  6. Step 6: Final answer
    x = 1,813.64

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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.