Home / 3,826.20-5,739.30-1,882.20

Finding the Fourth Proportional to 3,826.20, 5,739.30 and 1,882.20

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Solution

The fourth proportional to 3,826.20, 5,739.30 and 1,882.20 is: 2,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.20 : 5,739.30 = 1,882.20 : x
  2. Step 2: Convert to fraction form
    3,826.20/5,739.30 = 1,882.20/x
  3. Step 3: Cross multiply
    3,826.20x = 5,739.30 × 1,882.20
  4. Step 4: Simplify right side
    3,826.20x = 10,802,510.46
  5. Step 5: Solve for x
    x = 10,802,510.46/3,826.20
  6. Step 6: Final answer
    x = 2,823.30

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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.