Home / 2,849.22-4,269.87-2,155.32

Finding the Fourth Proportional to 2,849.22, 4,269.87 and 2,155.32

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Solution

The fourth proportional to 2,849.22, 4,269.87 and 2,155.32 is: 3,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.22 : 4,269.87 = 2,155.32 : x
  2. Step 2: Convert to fraction form
    2,849.22/4,269.87 = 2,155.32/x
  3. Step 3: Cross multiply
    2,849.22x = 4,269.87 × 2,155.32
  4. Step 4: Simplify right side
    2,849.22x = 9,202,936.21
  5. Step 5: Solve for x
    x = 9,202,936.21/2,849.22
  6. Step 6: Final answer
    x = 3,229.98

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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.