Home / 3,930.46-5,895.60-1,157.06

Finding the Fourth Proportional to 3,930.46, 5,895.60 and 1,157.06

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Solution

The fourth proportional to 3,930.46, 5,895.60 and 1,157.06 is: 1,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.46 : 5,895.60 = 1,157.06 : x
  2. Step 2: Convert to fraction form
    3,930.46/5,895.60 = 1,157.06/x
  3. Step 3: Cross multiply
    3,930.46x = 5,895.60 × 1,157.06
  4. Step 4: Simplify right side
    3,930.46x = 6,821,562.94
  5. Step 5: Solve for x
    x = 6,821,562.94/3,930.46
  6. Step 6: Final answer
    x = 1,735.57

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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.