Home / 3,195.51-4,771.27-2,708.79

Finding the Fourth Proportional to 3,195.51, 4,771.27 and 2,708.79

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Solution

The fourth proportional to 3,195.51, 4,771.27 and 2,708.79 is: 4,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.51 : 4,771.27 = 2,708.79 : x
  2. Step 2: Convert to fraction form
    3,195.51/4,771.27 = 2,708.79/x
  3. Step 3: Cross multiply
    3,195.51x = 4,771.27 × 2,708.79
  4. Step 4: Simplify right side
    3,195.51x = 12,924,361.69
  5. Step 5: Solve for x
    x = 12,924,361.69/3,195.51
  6. Step 6: Final answer
    x = 4,044.54

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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.