Home / 3,329.51-4,990.46-2,080.67

Finding the Fourth Proportional to 3,329.51, 4,990.46 and 2,080.67

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Solution

The fourth proportional to 3,329.51, 4,990.46 and 2,080.67 is: 3,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.51 : 4,990.46 = 2,080.67 : x
  2. Step 2: Convert to fraction form
    3,329.51/4,990.46 = 2,080.67/x
  3. Step 3: Cross multiply
    3,329.51x = 4,990.46 × 2,080.67
  4. Step 4: Simplify right side
    3,329.51x = 10,383,518.09
  5. Step 5: Solve for x
    x = 10,383,518.09/3,329.51
  6. Step 6: Final answer
    x = 3,118.64

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1.5x scale

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.