Home / 3,620.66-4,994.14-2,873.44

Finding the Fourth Proportional to 3,620.66, 4,994.14 and 2,873.44

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Solution

The fourth proportional to 3,620.66, 4,994.14 and 2,873.44 is: 3,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.66 : 4,994.14 = 2,873.44 : x
  2. Step 2: Convert to fraction form
    3,620.66/4,994.14 = 2,873.44/x
  3. Step 3: Cross multiply
    3,620.66x = 4,994.14 × 2,873.44
  4. Step 4: Simplify right side
    3,620.66x = 14,350,361.64
  5. Step 5: Solve for x
    x = 14,350,361.64/3,620.66
  6. Step 6: Final answer
    x = 3,963.47

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1.5x scale

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.