Home / 3,301.76-4,556.43-1,975.78

Finding the Fourth Proportional to 3,301.76, 4,556.43 and 1,975.78

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Solution

The fourth proportional to 3,301.76, 4,556.43 and 1,975.78 is: 2,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.76 : 4,556.43 = 1,975.78 : x
  2. Step 2: Convert to fraction form
    3,301.76/4,556.43 = 1,975.78/x
  3. Step 3: Cross multiply
    3,301.76x = 4,556.43 × 1,975.78
  4. Step 4: Simplify right side
    3,301.76x = 9,002,503.27
  5. Step 5: Solve for x
    x = 9,002,503.27/3,301.76
  6. Step 6: Final answer
    x = 2,726.58

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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.