Home / 3,826.04-5,729.94-2,657.21

Finding the Fourth Proportional to 3,826.04, 5,729.94 and 2,657.21

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Solution

The fourth proportional to 3,826.04, 5,729.94 and 2,657.21 is: 3,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.04 : 5,729.94 = 2,657.21 : x
  2. Step 2: Convert to fraction form
    3,826.04/5,729.94 = 2,657.21/x
  3. Step 3: Cross multiply
    3,826.04x = 5,729.94 × 2,657.21
  4. Step 4: Simplify right side
    3,826.04x = 15,225,625.22
  5. Step 5: Solve for x
    x = 15,225,625.22/3,826.04
  6. Step 6: Final answer
    x = 3,979.48

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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.