Home / 3,448.69-5,157.26-2,571.78

Finding the Fourth Proportional to 3,448.69, 5,157.26 and 2,571.78

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Solution

The fourth proportional to 3,448.69, 5,157.26 and 2,571.78 is: 3,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.69 : 5,157.26 = 2,571.78 : x
  2. Step 2: Convert to fraction form
    3,448.69/5,157.26 = 2,571.78/x
  3. Step 3: Cross multiply
    3,448.69x = 5,157.26 × 2,571.78
  4. Step 4: Simplify right side
    3,448.69x = 13,263,354.25
  5. Step 5: Solve for x
    x = 13,263,354.25/3,448.69
  6. Step 6: Final answer
    x = 3,845.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.