Home / 2,749.28-3,794.67-1,571.04

Finding the Fourth Proportional to 2,749.28, 3,794.67 and 1,571.04

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Solution

The fourth proportional to 2,749.28, 3,794.67 and 1,571.04 is: 2,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.28 : 3,794.67 = 1,571.04 : x
  2. Step 2: Convert to fraction form
    2,749.28/3,794.67 = 1,571.04/x
  3. Step 3: Cross multiply
    2,749.28x = 3,794.67 × 1,571.04
  4. Step 4: Simplify right side
    2,749.28x = 5,961,578.36
  5. Step 5: Solve for x
    x = 5,961,578.36/2,749.28
  6. Step 6: Final answer
    x = 2,168.41

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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.