Home / 3,940.03-5,911.86-1,601.65

Finding the Fourth Proportional to 3,940.03, 5,911.86 and 1,601.65

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Solution

The fourth proportional to 3,940.03, 5,911.86 and 1,601.65 is: 2,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.03 : 5,911.86 = 1,601.65 : x
  2. Step 2: Convert to fraction form
    3,940.03/5,911.86 = 1,601.65/x
  3. Step 3: Cross multiply
    3,940.03x = 5,911.86 × 1,601.65
  4. Step 4: Simplify right side
    3,940.03x = 9,468,693.00
  5. Step 5: Solve for x
    x = 9,468,693.00/3,940.03
  6. Step 6: Final answer
    x = 2,403.21

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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.