Home / 2,940.20-4,410.66-1,297.16

Finding the Fourth Proportional to 2,940.20, 4,410.66 and 1,297.16

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Solution

The fourth proportional to 2,940.20, 4,410.66 and 1,297.16 is: 1,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.20 : 4,410.66 = 1,297.16 : x
  2. Step 2: Convert to fraction form
    2,940.20/4,410.66 = 1,297.16/x
  3. Step 3: Cross multiply
    2,940.20x = 4,410.66 × 1,297.16
  4. Step 4: Simplify right side
    2,940.20x = 5,721,331.73
  5. Step 5: Solve for x
    x = 5,721,331.73/2,940.20
  6. Step 6: Final answer
    x = 1,945.90

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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.