Home / 3,382.99-4,668.30-1,890.56

Finding the Fourth Proportional to 3,382.99, 4,668.30 and 1,890.56

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Solution

The fourth proportional to 3,382.99, 4,668.30 and 1,890.56 is: 2,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.99 : 4,668.30 = 1,890.56 : x
  2. Step 2: Convert to fraction form
    3,382.99/4,668.30 = 1,890.56/x
  3. Step 3: Cross multiply
    3,382.99x = 4,668.30 × 1,890.56
  4. Step 4: Simplify right side
    3,382.99x = 8,825,712.92
  5. Step 5: Solve for x
    x = 8,825,712.92/3,382.99
  6. Step 6: Final answer
    x = 2,608.85

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1.5x scale

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.