Home / 3,424.44-5,111.58-2,940.60

Finding the Fourth Proportional to 3,424.44, 5,111.58 and 2,940.60

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Solution

The fourth proportional to 3,424.44, 5,111.58 and 2,940.60 is: 4,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.44 : 5,111.58 = 2,940.60 : x
  2. Step 2: Convert to fraction form
    3,424.44/5,111.58 = 2,940.60/x
  3. Step 3: Cross multiply
    3,424.44x = 5,111.58 × 2,940.60
  4. Step 4: Simplify right side
    3,424.44x = 15,031,112.15
  5. Step 5: Solve for x
    x = 15,031,112.15/3,424.44
  6. Step 6: Final answer
    x = 4,389.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.