Home / 3,929.54-5,896.34-1,739.81

Finding the Fourth Proportional to 3,929.54, 5,896.34 and 1,739.81

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Solution

The fourth proportional to 3,929.54, 5,896.34 and 1,739.81 is: 2,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.54 : 5,896.34 = 1,739.81 : x
  2. Step 2: Convert to fraction form
    3,929.54/5,896.34 = 1,739.81/x
  3. Step 3: Cross multiply
    3,929.54x = 5,896.34 × 1,739.81
  4. Step 4: Simplify right side
    3,929.54x = 10,258,473.11
  5. Step 5: Solve for x
    x = 10,258,473.11/3,929.54
  6. Step 6: Final answer
    x = 2,610.60

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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.