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Finding the Fourth Proportional to 1,847.90, 2,772.30 and 549.37

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Solution

The fourth proportional to 1,847.90, 2,772.30 and 549.37 is: 824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.90 : 2,772.30 = 549.37 : x
  2. Step 2: Convert to fraction form
    1,847.90/2,772.30 = 549.37/x
  3. Step 3: Cross multiply
    1,847.90x = 2,772.30 × 549.37
  4. Step 4: Simplify right side
    1,847.90x = 1,523,018.45
  5. Step 5: Solve for x
    x = 1,523,018.45/1,847.90
  6. Step 6: Final answer
    x = 824.19

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