Home / 3,190.92-4,786.62-999.63

Finding the Fourth Proportional to 3,190.92, 4,786.62 and 999.63

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Solution

The fourth proportional to 3,190.92, 4,786.62 and 999.63 is: 1,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.92 : 4,786.62 = 999.63 : x
  2. Step 2: Convert to fraction form
    3,190.92/4,786.62 = 999.63/x
  3. Step 3: Cross multiply
    3,190.92x = 4,786.62 × 999.63
  4. Step 4: Simplify right side
    3,190.92x = 4,784,848.95
  5. Step 5: Solve for x
    x = 4,784,848.95/3,190.92
  6. Step 6: Final answer
    x = 1,499.52

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.