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Finding the Fourth Proportional to 1,097.48, 1,648.30 and 1,053.16

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Solution

The fourth proportional to 1,097.48, 1,648.30 and 1,053.16 is: 1,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.48 : 1,648.30 = 1,053.16 : x
  2. Step 2: Convert to fraction form
    1,097.48/1,648.30 = 1,053.16/x
  3. Step 3: Cross multiply
    1,097.48x = 1,648.30 × 1,053.16
  4. Step 4: Simplify right side
    1,097.48x = 1,735,923.63
  5. Step 5: Solve for x
    x = 1,735,923.63/1,097.48
  6. Step 6: Final answer
    x = 1,581.74

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