Home / 3,749.26-5,619.53-2,821.84

Finding the Fourth Proportional to 3,749.26, 5,619.53 and 2,821.84

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Solution

The fourth proportional to 3,749.26, 5,619.53 and 2,821.84 is: 4,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.26 : 5,619.53 = 2,821.84 : x
  2. Step 2: Convert to fraction form
    3,749.26/5,619.53 = 2,821.84/x
  3. Step 3: Cross multiply
    3,749.26x = 5,619.53 × 2,821.84
  4. Step 4: Simplify right side
    3,749.26x = 15,857,391.67
  5. Step 5: Solve for x
    x = 15,857,391.67/3,749.26
  6. Step 6: Final answer
    x = 4,229.47

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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.