Home / 2,771.26-4,126.71-2,740.58

Finding the Fourth Proportional to 2,771.26, 4,126.71 and 2,740.58

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Solution

The fourth proportional to 2,771.26, 4,126.71 and 2,740.58 is: 4,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.26 : 4,126.71 = 2,740.58 : x
  2. Step 2: Convert to fraction form
    2,771.26/4,126.71 = 2,740.58/x
  3. Step 3: Cross multiply
    2,771.26x = 4,126.71 × 2,740.58
  4. Step 4: Simplify right side
    2,771.26x = 11,309,596.06
  5. Step 5: Solve for x
    x = 11,309,596.06/2,771.26
  6. Step 6: Final answer
    x = 4,081.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.