Home / 3,821.78-5,719.01-2,994.37

Finding the Fourth Proportional to 3,821.78, 5,719.01 and 2,994.37

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Solution

The fourth proportional to 3,821.78, 5,719.01 and 2,994.37 is: 4,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.78 : 5,719.01 = 2,994.37 : x
  2. Step 2: Convert to fraction form
    3,821.78/5,719.01 = 2,994.37/x
  3. Step 3: Cross multiply
    3,821.78x = 5,719.01 × 2,994.37
  4. Step 4: Simplify right side
    3,821.78x = 17,124,802.70
  5. Step 5: Solve for x
    x = 17,124,802.70/3,821.78
  6. Step 6: Final answer
    x = 4,480.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.