Home / 3,190.58-4,786.68-999.33

Finding the Fourth Proportional to 3,190.58, 4,786.68 and 999.33

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Solution

The fourth proportional to 3,190.58, 4,786.68 and 999.33 is: 1,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.58 : 4,786.68 = 999.33 : x
  2. Step 2: Convert to fraction form
    3,190.58/4,786.68 = 999.33/x
  3. Step 3: Cross multiply
    3,190.58x = 4,786.68 × 999.33
  4. Step 4: Simplify right side
    3,190.58x = 4,783,472.92
  5. Step 5: Solve for x
    x = 4,783,472.92/3,190.58
  6. Step 6: Final answer
    x = 1,499.25

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.