Home / 3,849.60-5,781.12-2,093.76

Finding the Fourth Proportional to 3,849.60, 5,781.12 and 2,093.76

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Solution

The fourth proportional to 3,849.60, 5,781.12 and 2,093.76 is: 3,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.60 : 5,781.12 = 2,093.76 : x
  2. Step 2: Convert to fraction form
    3,849.60/5,781.12 = 2,093.76/x
  3. Step 3: Cross multiply
    3,849.60x = 5,781.12 × 2,093.76
  4. Step 4: Simplify right side
    3,849.60x = 12,104,277.81
  5. Step 5: Solve for x
    x = 12,104,277.81/3,849.60
  6. Step 6: Final answer
    x = 3,144.29

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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.