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Finding the Fourth Proportional to 2,667.74, 4,001.14 and 1,206.55

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Solution

The fourth proportional to 2,667.74, 4,001.14 and 1,206.55 is: 1,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.74 : 4,001.14 = 1,206.55 : x
  2. Step 2: Convert to fraction form
    2,667.74/4,001.14 = 1,206.55/x
  3. Step 3: Cross multiply
    2,667.74x = 4,001.14 × 1,206.55
  4. Step 4: Simplify right side
    2,667.74x = 4,827,575.47
  5. Step 5: Solve for x
    x = 4,827,575.47/2,667.74
  6. Step 6: Final answer
    x = 1,809.61

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