Home / 3,384.63-5,076.44-1,305.62

Finding the Fourth Proportional to 3,384.63, 5,076.44 and 1,305.62

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Solution

The fourth proportional to 3,384.63, 5,076.44 and 1,305.62 is: 1,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.63 : 5,076.44 = 1,305.62 : x
  2. Step 2: Convert to fraction form
    3,384.63/5,076.44 = 1,305.62/x
  3. Step 3: Cross multiply
    3,384.63x = 5,076.44 × 1,305.62
  4. Step 4: Simplify right side
    3,384.63x = 6,627,869.68
  5. Step 5: Solve for x
    x = 6,627,869.68/3,384.63
  6. Step 6: Final answer
    x = 1,958.23

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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.