Home / 1,945.21-2,684.47-1,106.12

Finding the Fourth Proportional to 1,945.21, 2,684.47 and 1,106.12

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Solution

The fourth proportional to 1,945.21, 2,684.47 and 1,106.12 is: 1,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.21 : 2,684.47 = 1,106.12 : x
  2. Step 2: Convert to fraction form
    1,945.21/2,684.47 = 1,106.12/x
  3. Step 3: Cross multiply
    1,945.21x = 2,684.47 × 1,106.12
  4. Step 4: Simplify right side
    1,945.21x = 2,969,345.96
  5. Step 5: Solve for x
    x = 2,969,345.96/1,945.21
  6. Step 6: Final answer
    x = 1,526.49

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