Home / 3,225.18-4,815.87-3,137.70

Finding the Fourth Proportional to 3,225.18, 4,815.87 and 3,137.70

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Solution

The fourth proportional to 3,225.18, 4,815.87 and 3,137.70 is: 4,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.18 : 4,815.87 = 3,137.70 : x
  2. Step 2: Convert to fraction form
    3,225.18/4,815.87 = 3,137.70/x
  3. Step 3: Cross multiply
    3,225.18x = 4,815.87 × 3,137.70
  4. Step 4: Simplify right side
    3,225.18x = 15,110,755.30
  5. Step 5: Solve for x
    x = 15,110,755.30/3,225.18
  6. Step 6: Final answer
    x = 4,685.24

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