Home / 3,511.15-4,845.86-2,019.03

Finding the Fourth Proportional to 3,511.15, 4,845.86 and 2,019.03

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Solution

The fourth proportional to 3,511.15, 4,845.86 and 2,019.03 is: 2,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.15 : 4,845.86 = 2,019.03 : x
  2. Step 2: Convert to fraction form
    3,511.15/4,845.86 = 2,019.03/x
  3. Step 3: Cross multiply
    3,511.15x = 4,845.86 × 2,019.03
  4. Step 4: Simplify right side
    3,511.15x = 9,783,924.54
  5. Step 5: Solve for x
    x = 9,783,924.54/3,511.15
  6. Step 6: Final answer
    x = 2,786.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.