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Finding the Fourth Proportional to 3,460.76, 5,178.36 and 2,074.88

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Solution

The fourth proportional to 3,460.76, 5,178.36 and 2,074.88 is: 3,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.76 : 5,178.36 = 2,074.88 : x
  2. Step 2: Convert to fraction form
    3,460.76/5,178.36 = 2,074.88/x
  3. Step 3: Cross multiply
    3,460.76x = 5,178.36 × 2,074.88
  4. Step 4: Simplify right side
    3,460.76x = 10,744,475.60
  5. Step 5: Solve for x
    x = 10,744,475.60/3,460.76
  6. Step 6: Final answer
    x = 3,104.66

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