Home / 3,823.68-5,736.36-1,515.12

Finding the Fourth Proportional to 3,823.68, 5,736.36 and 1,515.12

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Solution

The fourth proportional to 3,823.68, 5,736.36 and 1,515.12 is: 2,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.68 : 5,736.36 = 1,515.12 : x
  2. Step 2: Convert to fraction form
    3,823.68/5,736.36 = 1,515.12/x
  3. Step 3: Cross multiply
    3,823.68x = 5,736.36 × 1,515.12
  4. Step 4: Simplify right side
    3,823.68x = 8,691,273.76
  5. Step 5: Solve for x
    x = 8,691,273.76/3,823.68
  6. Step 6: Final answer
    x = 2,273.01

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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.