Home / 3,822.77-5,729.30-2,089.37

Finding the Fourth Proportional to 3,822.77, 5,729.30 and 2,089.37

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Solution

The fourth proportional to 3,822.77, 5,729.30 and 2,089.37 is: 3,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.77 : 5,729.30 = 2,089.37 : x
  2. Step 2: Convert to fraction form
    3,822.77/5,729.30 = 2,089.37/x
  3. Step 3: Cross multiply
    3,822.77x = 5,729.30 × 2,089.37
  4. Step 4: Simplify right side
    3,822.77x = 11,970,639.25
  5. Step 5: Solve for x
    x = 11,970,639.25/3,822.77
  6. Step 6: Final answer
    x = 3,131.40

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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.