Home / 3,826.68-5,740.44-1,635.63

Finding the Fourth Proportional to 3,826.68, 5,740.44 and 1,635.63

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Solution

The fourth proportional to 3,826.68, 5,740.44 and 1,635.63 is: 2,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.68 : 5,740.44 = 1,635.63 : x
  2. Step 2: Convert to fraction form
    3,826.68/5,740.44 = 1,635.63/x
  3. Step 3: Cross multiply
    3,826.68x = 5,740.44 × 1,635.63
  4. Step 4: Simplify right side
    3,826.68x = 9,389,235.88
  5. Step 5: Solve for x
    x = 9,389,235.88/3,826.68
  6. Step 6: Final answer
    x = 2,453.62

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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.