Home / 1,493.22-2,238-1,126.86

Finding the Fourth Proportional to 1,493.22, 2,238 and 1,126.86

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Solution

The fourth proportional to 1,493.22, 2,238 and 1,126.86 is: 1,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.22 : 2,238 = 1,126.86 : x
  2. Step 2: Convert to fraction form
    1,493.22/2,238 = 1,126.86/x
  3. Step 3: Cross multiply
    1,493.22x = 2,238 × 1,126.86
  4. Step 4: Simplify right side
    1,493.22x = 2,521,912.68
  5. Step 5: Solve for x
    x = 2,521,912.68/1,493.22
  6. Step 6: Final answer
    x = 1,688.91

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