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Finding the Fourth Proportional to 1,946.74, 2,919.63 and 1,125.94

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Solution

The fourth proportional to 1,946.74, 2,919.63 and 1,125.94 is: 1,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.74 : 2,919.63 = 1,125.94 : x
  2. Step 2: Convert to fraction form
    1,946.74/2,919.63 = 1,125.94/x
  3. Step 3: Cross multiply
    1,946.74x = 2,919.63 × 1,125.94
  4. Step 4: Simplify right side
    1,946.74x = 3,287,328.20
  5. Step 5: Solve for x
    x = 3,287,328.20/1,946.74
  6. Step 6: Final answer
    x = 1,688.63

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