Home / 3,940.07-5,911.52-1,748.61

Finding the Fourth Proportional to 3,940.07, 5,911.52 and 1,748.61

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Solution

The fourth proportional to 3,940.07, 5,911.52 and 1,748.61 is: 2,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.07 : 5,911.52 = 1,748.61 : x
  2. Step 2: Convert to fraction form
    3,940.07/5,911.52 = 1,748.61/x
  3. Step 3: Cross multiply
    3,940.07x = 5,911.52 × 1,748.61
  4. Step 4: Simplify right side
    3,940.07x = 10,336,934.24
  5. Step 5: Solve for x
    x = 10,336,934.24/3,940.07
  6. Step 6: Final answer
    x = 2,623.54

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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.