Home / 1,828.80-2,739.60-1,096.20

Finding the Fourth Proportional to 1,828.80, 2,739.60 and 1,096.20

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Solution

The fourth proportional to 1,828.80, 2,739.60 and 1,096.20 is: 1,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.80 : 2,739.60 = 1,096.20 : x
  2. Step 2: Convert to fraction form
    1,828.80/2,739.60 = 1,096.20/x
  3. Step 3: Cross multiply
    1,828.80x = 2,739.60 × 1,096.20
  4. Step 4: Simplify right side
    1,828.80x = 3,003,149.52
  5. Step 5: Solve for x
    x = 3,003,149.52/1,828.80
  6. Step 6: Final answer
    x = 1,642.14

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