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Finding the Fourth Proportional to 2,625.47, 3,621.94 and 1,954.79

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Solution

The fourth proportional to 2,625.47, 3,621.94 and 1,954.79 is: 2,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.47 : 3,621.94 = 1,954.79 : x
  2. Step 2: Convert to fraction form
    2,625.47/3,621.94 = 1,954.79/x
  3. Step 3: Cross multiply
    2,625.47x = 3,621.94 × 1,954.79
  4. Step 4: Simplify right side
    2,625.47x = 7,080,132.09
  5. Step 5: Solve for x
    x = 7,080,132.09/2,625.47
  6. Step 6: Final answer
    x = 2,696.71

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