Home / 2,289.21-3,426.30-1,738.36

Finding the Fourth Proportional to 2,289.21, 3,426.30 and 1,738.36

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Solution

The fourth proportional to 2,289.21, 3,426.30 and 1,738.36 is: 2,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.21 : 3,426.30 = 1,738.36 : x
  2. Step 2: Convert to fraction form
    2,289.21/3,426.30 = 1,738.36/x
  3. Step 3: Cross multiply
    2,289.21x = 3,426.30 × 1,738.36
  4. Step 4: Simplify right side
    2,289.21x = 5,956,147.15
  5. Step 5: Solve for x
    x = 5,956,147.15/2,289.21
  6. Step 6: Final answer
    x = 2,601.83

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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.