Home / 3,767.92-5,199.80-2,089.28

Finding the Fourth Proportional to 3,767.92, 5,199.80 and 2,089.28

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Solution

The fourth proportional to 3,767.92, 5,199.80 and 2,089.28 is: 2,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.92 : 5,199.80 = 2,089.28 : x
  2. Step 2: Convert to fraction form
    3,767.92/5,199.80 = 2,089.28/x
  3. Step 3: Cross multiply
    3,767.92x = 5,199.80 × 2,089.28
  4. Step 4: Simplify right side
    3,767.92x = 10,863,838.14
  5. Step 5: Solve for x
    x = 10,863,838.14/3,767.92
  6. Step 6: Final answer
    x = 2,883.25

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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.