Home / 2,788.28-4,176.72-2,237.48

Finding the Fourth Proportional to 2,788.28, 4,176.72 and 2,237.48

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Solution

The fourth proportional to 2,788.28, 4,176.72 and 2,237.48 is: 3,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.28 : 4,176.72 = 2,237.48 : x
  2. Step 2: Convert to fraction form
    2,788.28/4,176.72 = 2,237.48/x
  3. Step 3: Cross multiply
    2,788.28x = 4,176.72 × 2,237.48
  4. Step 4: Simplify right side
    2,788.28x = 9,345,327.47
  5. Step 5: Solve for x
    x = 9,345,327.47/2,788.28
  6. Step 6: Final answer
    x = 3,351.65

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