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Finding the Fourth Proportional to 3,494.12, 4,821.92 and 1,922.24

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Solution

The fourth proportional to 3,494.12, 4,821.92 and 1,922.24 is: 2,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.12 : 4,821.92 = 1,922.24 : x
  2. Step 2: Convert to fraction form
    3,494.12/4,821.92 = 1,922.24/x
  3. Step 3: Cross multiply
    3,494.12x = 4,821.92 × 1,922.24
  4. Step 4: Simplify right side
    3,494.12x = 9,268,887.50
  5. Step 5: Solve for x
    x = 9,268,887.50/3,494.12
  6. Step 6: Final answer
    x = 2,652.71

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