Home / 3,156.26-4,736.91-1,858.82

Finding the Fourth Proportional to 3,156.26, 4,736.91 and 1,858.82

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Solution

The fourth proportional to 3,156.26, 4,736.91 and 1,858.82 is: 2,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.26 : 4,736.91 = 1,858.82 : x
  2. Step 2: Convert to fraction form
    3,156.26/4,736.91 = 1,858.82/x
  3. Step 3: Cross multiply
    3,156.26x = 4,736.91 × 1,858.82
  4. Step 4: Simplify right side
    3,156.26x = 8,805,063.05
  5. Step 5: Solve for x
    x = 8,805,063.05/3,156.26
  6. Step 6: Final answer
    x = 2,789.71

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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.