Home / 3,768.37-5,200.70-2,089.85

Finding the Fourth Proportional to 3,768.37, 5,200.70 and 2,089.85

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Solution

The fourth proportional to 3,768.37, 5,200.70 and 2,089.85 is: 2,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.37 : 5,200.70 = 2,089.85 : x
  2. Step 2: Convert to fraction form
    3,768.37/5,200.70 = 2,089.85/x
  3. Step 3: Cross multiply
    3,768.37x = 5,200.70 × 2,089.85
  4. Step 4: Simplify right side
    3,768.37x = 10,868,646.44
  5. Step 5: Solve for x
    x = 10,868,646.44/3,768.37
  6. Step 6: Final answer
    x = 2,884.18

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Half scale
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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.