Home / 3,556.80-5,333.76-1,608.96

Finding the Fourth Proportional to 3,556.80, 5,333.76 and 1,608.96

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Solution

The fourth proportional to 3,556.80, 5,333.76 and 1,608.96 is: 2,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.80 : 5,333.76 = 1,608.96 : x
  2. Step 2: Convert to fraction form
    3,556.80/5,333.76 = 1,608.96/x
  3. Step 3: Cross multiply
    3,556.80x = 5,333.76 × 1,608.96
  4. Step 4: Simplify right side
    3,556.80x = 8,581,806.49
  5. Step 5: Solve for x
    x = 8,581,806.49/3,556.80
  6. Step 6: Final answer
    x = 2,412.79

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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.