Home / 4,128.21-5,694.84-2,634.57

Finding the Fourth Proportional to 4,128.21, 5,694.84 and 2,634.57

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Solution

The fourth proportional to 4,128.21, 5,694.84 and 2,634.57 is: 3,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.21 : 5,694.84 = 2,634.57 : x
  2. Step 2: Convert to fraction form
    4,128.21/5,694.84 = 2,634.57/x
  3. Step 3: Cross multiply
    4,128.21x = 5,694.84 × 2,634.57
  4. Step 4: Simplify right side
    4,128.21x = 15,003,454.62
  5. Step 5: Solve for x
    x = 15,003,454.62/4,128.21
  6. Step 6: Final answer
    x = 3,634.37

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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.