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Finding the Fourth Proportional to 2,197.98, 3,296.97 and 899.46

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Solution

The fourth proportional to 2,197.98, 3,296.97 and 899.46 is: 1,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.98 : 3,296.97 = 899.46 : x
  2. Step 2: Convert to fraction form
    2,197.98/3,296.97 = 899.46/x
  3. Step 3: Cross multiply
    2,197.98x = 3,296.97 × 899.46
  4. Step 4: Simplify right side
    2,197.98x = 2,965,492.64
  5. Step 5: Solve for x
    x = 2,965,492.64/2,197.98
  6. Step 6: Final answer
    x = 1,349.19

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.