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Finding the Fourth Proportional to 3,873.99, 5,794.57 and 2,627.40

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Solution

The fourth proportional to 3,873.99, 5,794.57 and 2,627.40 is: 3,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.99 : 5,794.57 = 2,627.40 : x
  2. Step 2: Convert to fraction form
    3,873.99/5,794.57 = 2,627.40/x
  3. Step 3: Cross multiply
    3,873.99x = 5,794.57 × 2,627.40
  4. Step 4: Simplify right side
    3,873.99x = 15,224,640.08
  5. Step 5: Solve for x
    x = 15,224,640.08/3,873.99
  6. Step 6: Final answer
    x = 3,929.96

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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.