Home / 2,977.91-4,466.52-1,198.90

Finding the Fourth Proportional to 2,977.91, 4,466.52 and 1,198.90

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Solution

The fourth proportional to 2,977.91, 4,466.52 and 1,198.90 is: 1,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.91 : 4,466.52 = 1,198.90 : x
  2. Step 2: Convert to fraction form
    2,977.91/4,466.52 = 1,198.90/x
  3. Step 3: Cross multiply
    2,977.91x = 4,466.52 × 1,198.90
  4. Step 4: Simplify right side
    2,977.91x = 5,354,910.83
  5. Step 5: Solve for x
    x = 5,354,910.83/2,977.91
  6. Step 6: Final answer
    x = 1,798.21

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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.