Home / 3,889.83-5,835.77-2,040.45

Finding the Fourth Proportional to 3,889.83, 5,835.77 and 2,040.45

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Solution

The fourth proportional to 3,889.83, 5,835.77 and 2,040.45 is: 3,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.83 : 5,835.77 = 2,040.45 : x
  2. Step 2: Convert to fraction form
    3,889.83/5,835.77 = 2,040.45/x
  3. Step 3: Cross multiply
    3,889.83x = 5,835.77 × 2,040.45
  4. Step 4: Simplify right side
    3,889.83x = 11,907,586.69
  5. Step 5: Solve for x
    x = 11,907,586.69/3,889.83
  6. Step 6: Final answer
    x = 3,061.21

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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.