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Finding the Fourth Proportional to 3,157.92, 4,736.79 and 1,210.05

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Solution

The fourth proportional to 3,157.92, 4,736.79 and 1,210.05 is: 1,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.92 : 4,736.79 = 1,210.05 : x
  2. Step 2: Convert to fraction form
    3,157.92/4,736.79 = 1,210.05/x
  3. Step 3: Cross multiply
    3,157.92x = 4,736.79 × 1,210.05
  4. Step 4: Simplify right side
    3,157.92x = 5,731,752.74
  5. Step 5: Solve for x
    x = 5,731,752.74/3,157.92
  6. Step 6: Final answer
    x = 1,815.04

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