Home / 2,849.20-4,266.60-2,114.80

Finding the Fourth Proportional to 2,849.20, 4,266.60 and 2,114.80

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Solution

The fourth proportional to 2,849.20, 4,266.60 and 2,114.80 is: 3,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.20 : 4,266.60 = 2,114.80 : x
  2. Step 2: Convert to fraction form
    2,849.20/4,266.60 = 2,114.80/x
  3. Step 3: Cross multiply
    2,849.20x = 4,266.60 × 2,114.80
  4. Step 4: Simplify right side
    2,849.20x = 9,023,005.68
  5. Step 5: Solve for x
    x = 9,023,005.68/2,849.20
  6. Step 6: Final answer
    x = 3,166.86

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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.