Home / 4,180.68-5,769.87-2,388.78

Finding the Fourth Proportional to 4,180.68, 5,769.87 and 2,388.78

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Solution

The fourth proportional to 4,180.68, 5,769.87 and 2,388.78 is: 3,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.68 : 5,769.87 = 2,388.78 : x
  2. Step 2: Convert to fraction form
    4,180.68/5,769.87 = 2,388.78/x
  3. Step 3: Cross multiply
    4,180.68x = 5,769.87 × 2,388.78
  4. Step 4: Simplify right side
    4,180.68x = 13,782,950.06
  5. Step 5: Solve for x
    x = 13,782,950.06/4,180.68
  6. Step 6: Final answer
    x = 3,296.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.