Home / 3,843.05-5,749.99-2,378.57

Finding the Fourth Proportional to 3,843.05, 5,749.99 and 2,378.57

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Solution

The fourth proportional to 3,843.05, 5,749.99 and 2,378.57 is: 3,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.05 : 5,749.99 = 2,378.57 : x
  2. Step 2: Convert to fraction form
    3,843.05/5,749.99 = 2,378.57/x
  3. Step 3: Cross multiply
    3,843.05x = 5,749.99 × 2,378.57
  4. Step 4: Simplify right side
    3,843.05x = 13,676,719.02
  5. Step 5: Solve for x
    x = 13,676,719.02/3,843.05
  6. Step 6: Final answer
    x = 3,558.82

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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.