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Finding the Fourth Proportional to 3,460.03, 5,189.28 and 1,379.65

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Solution

The fourth proportional to 3,460.03, 5,189.28 and 1,379.65 is: 2,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.03 : 5,189.28 = 1,379.65 : x
  2. Step 2: Convert to fraction form
    3,460.03/5,189.28 = 1,379.65/x
  3. Step 3: Cross multiply
    3,460.03x = 5,189.28 × 1,379.65
  4. Step 4: Simplify right side
    3,460.03x = 7,159,390.15
  5. Step 5: Solve for x
    x = 7,159,390.15/3,460.03
  6. Step 6: Final answer
    x = 2,069.17

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