Home / 2,450.06-3,378.80-1,889.66

Finding the Fourth Proportional to 2,450.06, 3,378.80 and 1,889.66

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Solution

The fourth proportional to 2,450.06, 3,378.80 and 1,889.66 is: 2,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.06 : 3,378.80 = 1,889.66 : x
  2. Step 2: Convert to fraction form
    2,450.06/3,378.80 = 1,889.66/x
  3. Step 3: Cross multiply
    2,450.06x = 3,378.80 × 1,889.66
  4. Step 4: Simplify right side
    2,450.06x = 6,384,783.21
  5. Step 5: Solve for x
    x = 6,384,783.21/2,450.06
  6. Step 6: Final answer
    x = 2,605.97

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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.