Home / 3,942.57-5,914.19-1,020.93

Finding the Fourth Proportional to 3,942.57, 5,914.19 and 1,020.93

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Solution

The fourth proportional to 3,942.57, 5,914.19 and 1,020.93 is: 1,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.57 : 5,914.19 = 1,020.93 : x
  2. Step 2: Convert to fraction form
    3,942.57/5,914.19 = 1,020.93/x
  3. Step 3: Cross multiply
    3,942.57x = 5,914.19 × 1,020.93
  4. Step 4: Simplify right side
    3,942.57x = 6,037,974.00
  5. Step 5: Solve for x
    x = 6,037,974.00/3,942.57
  6. Step 6: Final answer
    x = 1,531.48

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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.