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Finding the Fourth Proportional to 3,055.79, 4,582.78 and 1,668.87

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Solution

The fourth proportional to 3,055.79, 4,582.78 and 1,668.87 is: 2,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.79 : 4,582.78 = 1,668.87 : x
  2. Step 2: Convert to fraction form
    3,055.79/4,582.78 = 1,668.87/x
  3. Step 3: Cross multiply
    3,055.79x = 4,582.78 × 1,668.87
  4. Step 4: Simplify right side
    3,055.79x = 7,648,059.89
  5. Step 5: Solve for x
    x = 7,648,059.89/3,055.79
  6. Step 6: Final answer
    x = 2,502.81

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