Home / 3,190.32-4,783.05-1,214.73

Finding the Fourth Proportional to 3,190.32, 4,783.05 and 1,214.73

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Solution

The fourth proportional to 3,190.32, 4,783.05 and 1,214.73 is: 1,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.32 : 4,783.05 = 1,214.73 : x
  2. Step 2: Convert to fraction form
    3,190.32/4,783.05 = 1,214.73/x
  3. Step 3: Cross multiply
    3,190.32x = 4,783.05 × 1,214.73
  4. Step 4: Simplify right side
    3,190.32x = 5,810,114.33
  5. Step 5: Solve for x
    x = 5,810,114.33/3,190.32
  6. Step 6: Final answer
    x = 1,821.17

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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.