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Finding the Fourth Proportional to 1,984.86, 2,977.31 and 598.20

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Solution

The fourth proportional to 1,984.86, 2,977.31 and 598.20 is: 897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.86 : 2,977.31 = 598.20 : x
  2. Step 2: Convert to fraction form
    1,984.86/2,977.31 = 598.20/x
  3. Step 3: Cross multiply
    1,984.86x = 2,977.31 × 598.20
  4. Step 4: Simplify right side
    1,984.86x = 1,781,023.85
  5. Step 5: Solve for x
    x = 1,781,023.85/1,984.86
  6. Step 6: Final answer
    x = 897.30

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