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Finding the Fourth Proportional to 3,911.54, 5,866.25 and 1,829.51

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Solution

The fourth proportional to 3,911.54, 5,866.25 and 1,829.51 is: 2,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.54 : 5,866.25 = 1,829.51 : x
  2. Step 2: Convert to fraction form
    3,911.54/5,866.25 = 1,829.51/x
  3. Step 3: Cross multiply
    3,911.54x = 5,866.25 × 1,829.51
  4. Step 4: Simplify right side
    3,911.54x = 10,732,324.56
  5. Step 5: Solve for x
    x = 10,732,324.56/3,911.54
  6. Step 6: Final answer
    x = 2,743.76

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1.5x scale

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.