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Finding the Fourth Proportional to 3,362.40, 5,043.60 and 1,904.40

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Solution

The fourth proportional to 3,362.40, 5,043.60 and 1,904.40 is: 2,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.40 : 5,043.60 = 1,904.40 : x
  2. Step 2: Convert to fraction form
    3,362.40/5,043.60 = 1,904.40/x
  3. Step 3: Cross multiply
    3,362.40x = 5,043.60 × 1,904.40
  4. Step 4: Simplify right side
    3,362.40x = 9,605,031.84
  5. Step 5: Solve for x
    x = 9,605,031.84/3,362.40
  6. Step 6: Final answer
    x = 2,856.60

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