Home / 3,941.81-5,912.26-1,019.89

Finding the Fourth Proportional to 3,941.81, 5,912.26 and 1,019.89

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Solution

The fourth proportional to 3,941.81, 5,912.26 and 1,019.89 is: 1,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.81 : 5,912.26 = 1,019.89 : x
  2. Step 2: Convert to fraction form
    3,941.81/5,912.26 = 1,019.89/x
  3. Step 3: Cross multiply
    3,941.81x = 5,912.26 × 1,019.89
  4. Step 4: Simplify right side
    3,941.81x = 6,029,820.19
  5. Step 5: Solve for x
    x = 6,029,820.19/3,941.81
  6. Step 6: Final answer
    x = 1,529.71

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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.