Home / 2,786.45-4,180.34-1,396.33

Finding the Fourth Proportional to 2,786.45, 4,180.34 and 1,396.33

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Solution

The fourth proportional to 2,786.45, 4,180.34 and 1,396.33 is: 2,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.45 : 4,180.34 = 1,396.33 : x
  2. Step 2: Convert to fraction form
    2,786.45/4,180.34 = 1,396.33/x
  3. Step 3: Cross multiply
    2,786.45x = 4,180.34 × 1,396.33
  4. Step 4: Simplify right side
    2,786.45x = 5,837,127.19
  5. Step 5: Solve for x
    x = 5,837,127.19/2,786.45
  6. Step 6: Final answer
    x = 2,094.83

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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.