Home / 3,372.93-5,057.78-1,911.69

Finding the Fourth Proportional to 3,372.93, 5,057.78 and 1,911.69

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Solution

The fourth proportional to 3,372.93, 5,057.78 and 1,911.69 is: 2,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.93 : 5,057.78 = 1,911.69 : x
  2. Step 2: Convert to fraction form
    3,372.93/5,057.78 = 1,911.69/x
  3. Step 3: Cross multiply
    3,372.93x = 5,057.78 × 1,911.69
  4. Step 4: Simplify right side
    3,372.93x = 9,668,897.89
  5. Step 5: Solve for x
    x = 9,668,897.89/3,372.93
  6. Step 6: Final answer
    x = 2,866.62

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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.