Home / 3,415.79-5,121.24-2,025.83

Finding the Fourth Proportional to 3,415.79, 5,121.24 and 2,025.83

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Solution

The fourth proportional to 3,415.79, 5,121.24 and 2,025.83 is: 3,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.79 : 5,121.24 = 2,025.83 : x
  2. Step 2: Convert to fraction form
    3,415.79/5,121.24 = 2,025.83/x
  3. Step 3: Cross multiply
    3,415.79x = 5,121.24 × 2,025.83
  4. Step 4: Simplify right side
    3,415.79x = 10,374,736.02
  5. Step 5: Solve for x
    x = 10,374,736.02/3,415.79
  6. Step 6: Final answer
    x = 3,037.29

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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.