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Finding the Fourth Proportional to 3,355.99, 5,034.25 and 1,407.13

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Solution

The fourth proportional to 3,355.99, 5,034.25 and 1,407.13 is: 2,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.99 : 5,034.25 = 1,407.13 : x
  2. Step 2: Convert to fraction form
    3,355.99/5,034.25 = 1,407.13/x
  3. Step 3: Cross multiply
    3,355.99x = 5,034.25 × 1,407.13
  4. Step 4: Simplify right side
    3,355.99x = 7,083,844.20
  5. Step 5: Solve for x
    x = 7,083,844.20/3,355.99
  6. Step 6: Final answer
    x = 2,110.81

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