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Finding the Fourth Proportional to 3,808, 5,255.04 and 2,483.95

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Solution

The fourth proportional to 3,808, 5,255.04 and 2,483.95 is: 3,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808 : 5,255.04 = 2,483.95 : x
  2. Step 2: Convert to fraction form
    3,808/5,255.04 = 2,483.95/x
  3. Step 3: Cross multiply
    3,808x = 5,255.04 × 2,483.95
  4. Step 4: Simplify right side
    3,808x = 13,053,256.61
  5. Step 5: Solve for x
    x = 13,053,256.61/3,808
  6. Step 6: Final answer
    x = 3,427.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.