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Finding the Fourth Proportional to 3,304.17, 4,956.21 and 995.67

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Solution

The fourth proportional to 3,304.17, 4,956.21 and 995.67 is: 1,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.17 : 4,956.21 = 995.67 : x
  2. Step 2: Convert to fraction form
    3,304.17/4,956.21 = 995.67/x
  3. Step 3: Cross multiply
    3,304.17x = 4,956.21 × 995.67
  4. Step 4: Simplify right side
    3,304.17x = 4,934,749.61
  5. Step 5: Solve for x
    x = 4,934,749.61/3,304.17
  6. Step 6: Final answer
    x = 1,493.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,305.17, 4,957.71 and 996.67
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.