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Finding the Fourth Proportional to 3,099.51, 4,275.73 and 1,979.27

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Solution

The fourth proportional to 3,099.51, 4,275.73 and 1,979.27 is: 2,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.51 : 4,275.73 = 1,979.27 : x
  2. Step 2: Convert to fraction form
    3,099.51/4,275.73 = 1,979.27/x
  3. Step 3: Cross multiply
    3,099.51x = 4,275.73 × 1,979.27
  4. Step 4: Simplify right side
    3,099.51x = 8,462,802.74
  5. Step 5: Solve for x
    x = 8,462,802.74/3,099.51
  6. Step 6: Final answer
    x = 2,730.37

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