Home / 3,378.28-5,068.68-1,429.96

Finding the Fourth Proportional to 3,378.28, 5,068.68 and 1,429.96

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Solution

The fourth proportional to 3,378.28, 5,068.68 and 1,429.96 is: 2,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.28 : 5,068.68 = 1,429.96 : x
  2. Step 2: Convert to fraction form
    3,378.28/5,068.68 = 1,429.96/x
  3. Step 3: Cross multiply
    3,378.28x = 5,068.68 × 1,429.96
  4. Step 4: Simplify right side
    3,378.28x = 7,248,009.65
  5. Step 5: Solve for x
    x = 7,248,009.65/3,378.28
  6. Step 6: Final answer
    x = 2,145.47

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