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Finding the Fourth Proportional to 3,126.63, 4,686.28 and 1,739.31

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Solution

The fourth proportional to 3,126.63, 4,686.28 and 1,739.31 is: 2,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.63 : 4,686.28 = 1,739.31 : x
  2. Step 2: Convert to fraction form
    3,126.63/4,686.28 = 1,739.31/x
  3. Step 3: Cross multiply
    3,126.63x = 4,686.28 × 1,739.31
  4. Step 4: Simplify right side
    3,126.63x = 8,150,893.67
  5. Step 5: Solve for x
    x = 8,150,893.67/3,126.63
  6. Step 6: Final answer
    x = 2,606.93

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