Home / 2,919.13-4,380.04-1,585.36

Finding the Fourth Proportional to 2,919.13, 4,380.04 and 1,585.36

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Solution

The fourth proportional to 2,919.13, 4,380.04 and 1,585.36 is: 2,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.13 : 4,380.04 = 1,585.36 : x
  2. Step 2: Convert to fraction form
    2,919.13/4,380.04 = 1,585.36/x
  3. Step 3: Cross multiply
    2,919.13x = 4,380.04 × 1,585.36
  4. Step 4: Simplify right side
    2,919.13x = 6,943,947.67
  5. Step 5: Solve for x
    x = 6,943,947.67/2,919.13
  6. Step 6: Final answer
    x = 2,378.78

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