Home / 2,804.58-4,198.66-1,968.77

Finding the Fourth Proportional to 2,804.58, 4,198.66 and 1,968.77

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Solution

The fourth proportional to 2,804.58, 4,198.66 and 1,968.77 is: 2,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.58 : 4,198.66 = 1,968.77 : x
  2. Step 2: Convert to fraction form
    2,804.58/4,198.66 = 1,968.77/x
  3. Step 3: Cross multiply
    2,804.58x = 4,198.66 × 1,968.77
  4. Step 4: Simplify right side
    2,804.58x = 8,266,201.42
  5. Step 5: Solve for x
    x = 8,266,201.42/2,804.58
  6. Step 6: Final answer
    x = 2,947.39

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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.