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Finding the Fourth Proportional to 2,954.53, 4,432.42 and 980.05

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Solution

The fourth proportional to 2,954.53, 4,432.42 and 980.05 is: 1,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.53 : 4,432.42 = 980.05 : x
  2. Step 2: Convert to fraction form
    2,954.53/4,432.42 = 980.05/x
  3. Step 3: Cross multiply
    2,954.53x = 4,432.42 × 980.05
  4. Step 4: Simplify right side
    2,954.53x = 4,343,991.68
  5. Step 5: Solve for x
    x = 4,343,991.68/2,954.53
  6. Step 6: Final answer
    x = 1,470.28

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