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Finding the Fourth Proportional to 2,823.11, 4,232.15 and 972.93

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Solution

The fourth proportional to 2,823.11, 4,232.15 and 972.93 is: 1,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.11 : 4,232.15 = 972.93 : x
  2. Step 2: Convert to fraction form
    2,823.11/4,232.15 = 972.93/x
  3. Step 3: Cross multiply
    2,823.11x = 4,232.15 × 972.93
  4. Step 4: Simplify right side
    2,823.11x = 4,117,585.70
  5. Step 5: Solve for x
    x = 4,117,585.70/2,823.11
  6. Step 6: Final answer
    x = 1,458.53

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