Home / 3,819.66-5,268.87-2,827.50

Finding the Fourth Proportional to 3,819.66, 5,268.87 and 2,827.50

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Solution

The fourth proportional to 3,819.66, 5,268.87 and 2,827.50 is: 3,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.66 : 5,268.87 = 2,827.50 : x
  2. Step 2: Convert to fraction form
    3,819.66/5,268.87 = 2,827.50/x
  3. Step 3: Cross multiply
    3,819.66x = 5,268.87 × 2,827.50
  4. Step 4: Simplify right side
    3,819.66x = 14,897,729.93
  5. Step 5: Solve for x
    x = 14,897,729.93/3,819.66
  6. Step 6: Final answer
    x = 3,900.28

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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.