Home / 3,972.93-5,481.06-2,556.36

Finding the Fourth Proportional to 3,972.93, 5,481.06 and 2,556.36

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Solution

The fourth proportional to 3,972.93, 5,481.06 and 2,556.36 is: 3,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.93 : 5,481.06 = 2,556.36 : x
  2. Step 2: Convert to fraction form
    3,972.93/5,481.06 = 2,556.36/x
  3. Step 3: Cross multiply
    3,972.93x = 5,481.06 × 2,556.36
  4. Step 4: Simplify right side
    3,972.93x = 14,011,562.54
  5. Step 5: Solve for x
    x = 14,011,562.54/3,972.93
  6. Step 6: Final answer
    x = 3,526.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.