Home / 3,110.86-4,661.90-1,724.82

Finding the Fourth Proportional to 3,110.86, 4,661.90 and 1,724.82

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Solution

The fourth proportional to 3,110.86, 4,661.90 and 1,724.82 is: 2,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.86 : 4,661.90 = 1,724.82 : x
  2. Step 2: Convert to fraction form
    3,110.86/4,661.90 = 1,724.82/x
  3. Step 3: Cross multiply
    3,110.86x = 4,661.90 × 1,724.82
  4. Step 4: Simplify right side
    3,110.86x = 8,040,938.36
  5. Step 5: Solve for x
    x = 8,040,938.36/3,110.86
  6. Step 6: Final answer
    x = 2,584.80

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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.