Home / 3,768.58-5,200.62-2,089.99

Finding the Fourth Proportional to 3,768.58, 5,200.62 and 2,089.99

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Solution

The fourth proportional to 3,768.58, 5,200.62 and 2,089.99 is: 2,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.58 : 5,200.62 = 2,089.99 : x
  2. Step 2: Convert to fraction form
    3,768.58/5,200.62 = 2,089.99/x
  3. Step 3: Cross multiply
    3,768.58x = 5,200.62 × 2,089.99
  4. Step 4: Simplify right side
    3,768.58x = 10,869,243.79
  5. Step 5: Solve for x
    x = 10,869,243.79/3,768.58
  6. Step 6: Final answer
    x = 2,884.17

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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.