Home / 3,768.29-5,199.75-2,089.68

Finding the Fourth Proportional to 3,768.29, 5,199.75 and 2,089.68

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Solution

The fourth proportional to 3,768.29, 5,199.75 and 2,089.68 is: 2,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.29 : 5,199.75 = 2,089.68 : x
  2. Step 2: Convert to fraction form
    3,768.29/5,199.75 = 2,089.68/x
  3. Step 3: Cross multiply
    3,768.29x = 5,199.75 × 2,089.68
  4. Step 4: Simplify right side
    3,768.29x = 10,865,813.58
  5. Step 5: Solve for x
    x = 10,865,813.58/3,768.29
  6. Step 6: Final answer
    x = 2,883.49

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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.