Home / 3,290.96-4,939.86-2,202.93

Finding the Fourth Proportional to 3,290.96, 4,939.86 and 2,202.93

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Solution

The fourth proportional to 3,290.96, 4,939.86 and 2,202.93 is: 3,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.96 : 4,939.86 = 2,202.93 : x
  2. Step 2: Convert to fraction form
    3,290.96/4,939.86 = 2,202.93/x
  3. Step 3: Cross multiply
    3,290.96x = 4,939.86 × 2,202.93
  4. Step 4: Simplify right side
    3,290.96x = 10,882,165.79
  5. Step 5: Solve for x
    x = 10,882,165.79/3,290.96
  6. Step 6: Final answer
    x = 3,306.68

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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.