Home / 3,769.30-5,657.36-2,015.78

Finding the Fourth Proportional to 3,769.30, 5,657.36 and 2,015.78

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Solution

The fourth proportional to 3,769.30, 5,657.36 and 2,015.78 is: 3,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.30 : 5,657.36 = 2,015.78 : x
  2. Step 2: Convert to fraction form
    3,769.30/5,657.36 = 2,015.78/x
  3. Step 3: Cross multiply
    3,769.30x = 5,657.36 × 2,015.78
  4. Step 4: Simplify right side
    3,769.30x = 11,403,993.14
  5. Step 5: Solve for x
    x = 11,403,993.14/3,769.30
  6. Step 6: Final answer
    x = 3,025.49

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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.