Home / 3,694.88-5,100.81-2,853.69

Finding the Fourth Proportional to 3,694.88, 5,100.81 and 2,853.69

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Solution

The fourth proportional to 3,694.88, 5,100.81 and 2,853.69 is: 3,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.88 : 5,100.81 = 2,853.69 : x
  2. Step 2: Convert to fraction form
    3,694.88/5,100.81 = 2,853.69/x
  3. Step 3: Cross multiply
    3,694.88x = 5,100.81 × 2,853.69
  4. Step 4: Simplify right side
    3,694.88x = 14,556,130.49
  5. Step 5: Solve for x
    x = 14,556,130.49/3,694.88
  6. Step 6: Final answer
    x = 3,939.54

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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.