Home / 3,918.36-5,880.78-2,941.32

Finding the Fourth Proportional to 3,918.36, 5,880.78 and 2,941.32

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Solution

The fourth proportional to 3,918.36, 5,880.78 and 2,941.32 is: 4,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.36 : 5,880.78 = 2,941.32 : x
  2. Step 2: Convert to fraction form
    3,918.36/5,880.78 = 2,941.32/x
  3. Step 3: Cross multiply
    3,918.36x = 5,880.78 × 2,941.32
  4. Step 4: Simplify right side
    3,918.36x = 17,297,255.83
  5. Step 5: Solve for x
    x = 17,297,255.83/3,918.36
  6. Step 6: Final answer
    x = 4,414.41

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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.