Home / 3,829.50-5,744.21-1,984.23

Finding the Fourth Proportional to 3,829.50, 5,744.21 and 1,984.23

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Solution

The fourth proportional to 3,829.50, 5,744.21 and 1,984.23 is: 2,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.50 : 5,744.21 = 1,984.23 : x
  2. Step 2: Convert to fraction form
    3,829.50/5,744.21 = 1,984.23/x
  3. Step 3: Cross multiply
    3,829.50x = 5,744.21 × 1,984.23
  4. Step 4: Simplify right side
    3,829.50x = 11,397,823.89
  5. Step 5: Solve for x
    x = 11,397,823.89/3,829.50
  6. Step 6: Final answer
    x = 2,976.32

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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.