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Finding the Fourth Proportional to 1,096.26, 1,511.94 and 712.86

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Solution

The fourth proportional to 1,096.26, 1,511.94 and 712.86 is: 983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.26 : 1,511.94 = 712.86 : x
  2. Step 2: Convert to fraction form
    1,096.26/1,511.94 = 712.86/x
  3. Step 3: Cross multiply
    1,096.26x = 1,511.94 × 712.86
  4. Step 4: Simplify right side
    1,096.26x = 1,077,801.55
  5. Step 5: Solve for x
    x = 1,077,801.55/1,096.26
  6. Step 6: Final answer
    x = 983.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.