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Finding the Fourth Proportional to 2,845, 4,267.89 and 995.67

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Solution

The fourth proportional to 2,845, 4,267.89 and 995.67 is: 1,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845 : 4,267.89 = 995.67 : x
  2. Step 2: Convert to fraction form
    2,845/4,267.89 = 995.67/x
  3. Step 3: Cross multiply
    2,845x = 4,267.89 × 995.67
  4. Step 4: Simplify right side
    2,845x = 4,249,410.04
  5. Step 5: Solve for x
    x = 4,249,410.04/2,845
  6. Step 6: Final answer
    x = 1,493.64

Related Problems

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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.