Home / 3,481.00-5,215.75-2,556.92

Finding the Fourth Proportional to 3,481.00, 5,215.75 and 2,556.92

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Solution

The fourth proportional to 3,481.00, 5,215.75 and 2,556.92 is: 3,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.00 : 5,215.75 = 2,556.92 : x
  2. Step 2: Convert to fraction form
    3,481.00/5,215.75 = 2,556.92/x
  3. Step 3: Cross multiply
    3,481.00x = 5,215.75 × 2,556.92
  4. Step 4: Simplify right side
    3,481.00x = 13,336,262.14
  5. Step 5: Solve for x
    x = 13,336,262.14/3,481.00
  6. Step 6: Final answer
    x = 3,831.16

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1.5x scale

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.