Home / 3,105.93-4,659.21-1,025.09

Finding the Fourth Proportional to 3,105.93, 4,659.21 and 1,025.09

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Solution

The fourth proportional to 3,105.93, 4,659.21 and 1,025.09 is: 1,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.93 : 4,659.21 = 1,025.09 : x
  2. Step 2: Convert to fraction form
    3,105.93/4,659.21 = 1,025.09/x
  3. Step 3: Cross multiply
    3,105.93x = 4,659.21 × 1,025.09
  4. Step 4: Simplify right side
    3,105.93x = 4,776,103.75
  5. Step 5: Solve for x
    x = 4,776,103.75/3,105.93
  6. Step 6: Final answer
    x = 1,537.74

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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.