Home / 3,811.73-5,715.36-1,619.33

Finding the Fourth Proportional to 3,811.73, 5,715.36 and 1,619.33

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Solution

The fourth proportional to 3,811.73, 5,715.36 and 1,619.33 is: 2,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.73 : 5,715.36 = 1,619.33 : x
  2. Step 2: Convert to fraction form
    3,811.73/5,715.36 = 1,619.33/x
  3. Step 3: Cross multiply
    3,811.73x = 5,715.36 × 1,619.33
  4. Step 4: Simplify right side
    3,811.73x = 9,255,025.33
  5. Step 5: Solve for x
    x = 9,255,025.33/3,811.73
  6. Step 6: Final answer
    x = 2,428.04

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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.