Home / 3,936.50-5,903.66-1,472.30

Finding the Fourth Proportional to 3,936.50, 5,903.66 and 1,472.30

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Solution

The fourth proportional to 3,936.50, 5,903.66 and 1,472.30 is: 2,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.50 : 5,903.66 = 1,472.30 : x
  2. Step 2: Convert to fraction form
    3,936.50/5,903.66 = 1,472.30/x
  3. Step 3: Cross multiply
    3,936.50x = 5,903.66 × 1,472.30
  4. Step 4: Simplify right side
    3,936.50x = 8,691,958.62
  5. Step 5: Solve for x
    x = 8,691,958.62/3,936.50
  6. Step 6: Final answer
    x = 2,208.04

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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.