Home / 3,620.64-4,994.68-2,439.66

Finding the Fourth Proportional to 3,620.64, 4,994.68 and 2,439.66

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Solution

The fourth proportional to 3,620.64, 4,994.68 and 2,439.66 is: 3,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.64 : 4,994.68 = 2,439.66 : x
  2. Step 2: Convert to fraction form
    3,620.64/4,994.68 = 2,439.66/x
  3. Step 3: Cross multiply
    3,620.64x = 4,994.68 × 2,439.66
  4. Step 4: Simplify right side
    3,620.64x = 12,185,321.01
  5. Step 5: Solve for x
    x = 12,185,321.01/3,620.64
  6. Step 6: Final answer
    x = 3,365.52

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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.