Home / 3,228.41-4,842.99-1,379.74

Finding the Fourth Proportional to 3,228.41, 4,842.99 and 1,379.74

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Solution

The fourth proportional to 3,228.41, 4,842.99 and 1,379.74 is: 2,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.41 : 4,842.99 = 1,379.74 : x
  2. Step 2: Convert to fraction form
    3,228.41/4,842.99 = 1,379.74/x
  3. Step 3: Cross multiply
    3,228.41x = 4,842.99 × 1,379.74
  4. Step 4: Simplify right side
    3,228.41x = 6,682,042.81
  5. Step 5: Solve for x
    x = 6,682,042.81/3,228.41
  6. Step 6: Final answer
    x = 2,069.76

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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.