Home / 3,768.35-5,200.34-2,089.64

Finding the Fourth Proportional to 3,768.35, 5,200.34 and 2,089.64

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Solution

The fourth proportional to 3,768.35, 5,200.34 and 2,089.64 is: 2,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.35 : 5,200.34 = 2,089.64 : x
  2. Step 2: Convert to fraction form
    3,768.35/5,200.34 = 2,089.64/x
  3. Step 3: Cross multiply
    3,768.35x = 5,200.34 × 2,089.64
  4. Step 4: Simplify right side
    3,768.35x = 10,866,802.03
  5. Step 5: Solve for x
    x = 10,866,802.03/3,768.35
  6. Step 6: Final answer
    x = 2,883.71

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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.