Home / 2,197.70-3,294.36-1,098.71

Finding the Fourth Proportional to 2,197.70, 3,294.36 and 1,098.71

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Solution

The fourth proportional to 2,197.70, 3,294.36 and 1,098.71 is: 1,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.70 : 3,294.36 = 1,098.71 : x
  2. Step 2: Convert to fraction form
    2,197.70/3,294.36 = 1,098.71/x
  3. Step 3: Cross multiply
    2,197.70x = 3,294.36 × 1,098.71
  4. Step 4: Simplify right side
    2,197.70x = 3,619,546.28
  5. Step 5: Solve for x
    x = 3,619,546.28/2,197.70
  6. Step 6: Final answer
    x = 1,646.97

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.