Home / 2,908.06-4,010.82-2,055.80

Finding the Fourth Proportional to 2,908.06, 4,010.82 and 2,055.80

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Solution

The fourth proportional to 2,908.06, 4,010.82 and 2,055.80 is: 2,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.06 : 4,010.82 = 2,055.80 : x
  2. Step 2: Convert to fraction form
    2,908.06/4,010.82 = 2,055.80/x
  3. Step 3: Cross multiply
    2,908.06x = 4,010.82 × 2,055.80
  4. Step 4: Simplify right side
    2,908.06x = 8,245,446.07
  5. Step 5: Solve for x
    x = 8,245,446.07/2,908.06
  6. Step 6: Final answer
    x = 2,835.38

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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.