Home / 3,321.96-4,584.36-1,830

Finding the Fourth Proportional to 3,321.96, 4,584.36 and 1,830

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Solution

The fourth proportional to 3,321.96, 4,584.36 and 1,830 is: 2,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.96 : 4,584.36 = 1,830 : x
  2. Step 2: Convert to fraction form
    3,321.96/4,584.36 = 1,830/x
  3. Step 3: Cross multiply
    3,321.96x = 4,584.36 × 1,830
  4. Step 4: Simplify right side
    3,321.96x = 8,389,378.80
  5. Step 5: Solve for x
    x = 8,389,378.80/3,321.96
  6. Step 6: Final answer
    x = 2,525.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.