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Finding the Fourth Proportional to 2,194.52, 3,291.78 and 896.12

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Solution

The fourth proportional to 2,194.52, 3,291.78 and 896.12 is: 1,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.52 : 3,291.78 = 896.12 : x
  2. Step 2: Convert to fraction form
    2,194.52/3,291.78 = 896.12/x
  3. Step 3: Cross multiply
    2,194.52x = 3,291.78 × 896.12
  4. Step 4: Simplify right side
    2,194.52x = 2,949,829.89
  5. Step 5: Solve for x
    x = 2,949,829.89/2,194.52
  6. Step 6: Final answer
    x = 1,344.18

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.