Home / 3,942.44-5,913.69-1,020.57

Finding the Fourth Proportional to 3,942.44, 5,913.69 and 1,020.57

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Solution

The fourth proportional to 3,942.44, 5,913.69 and 1,020.57 is: 1,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.44 : 5,913.69 = 1,020.57 : x
  2. Step 2: Convert to fraction form
    3,942.44/5,913.69 = 1,020.57/x
  3. Step 3: Cross multiply
    3,942.44x = 5,913.69 × 1,020.57
  4. Step 4: Simplify right side
    3,942.44x = 6,035,334.60
  5. Step 5: Solve for x
    x = 6,035,334.60/3,942.44
  6. Step 6: Final answer
    x = 1,530.86

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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.