Home / 3,221.21-4,829.45-1,028.67

Finding the Fourth Proportional to 3,221.21, 4,829.45 and 1,028.67

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Solution

The fourth proportional to 3,221.21, 4,829.45 and 1,028.67 is: 1,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.21 : 4,829.45 = 1,028.67 : x
  2. Step 2: Convert to fraction form
    3,221.21/4,829.45 = 1,028.67/x
  3. Step 3: Cross multiply
    3,221.21x = 4,829.45 × 1,028.67
  4. Step 4: Simplify right side
    3,221.21x = 4,967,905.19
  5. Step 5: Solve for x
    x = 4,967,905.19/3,221.21
  6. Step 6: Final answer
    x = 1,542.25

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