Home / 3,556.29-4,905.55-2,227.68

Finding the Fourth Proportional to 3,556.29, 4,905.55 and 2,227.68

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Solution

The fourth proportional to 3,556.29, 4,905.55 and 2,227.68 is: 3,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.29 : 4,905.55 = 2,227.68 : x
  2. Step 2: Convert to fraction form
    3,556.29/4,905.55 = 2,227.68/x
  3. Step 3: Cross multiply
    3,556.29x = 4,905.55 × 2,227.68
  4. Step 4: Simplify right side
    3,556.29x = 10,927,995.62
  5. Step 5: Solve for x
    x = 10,927,995.62/3,556.29
  6. Step 6: Final answer
    x = 3,072.86

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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.