Home / 2,940.74-4,409.09-1,090.86

Finding the Fourth Proportional to 2,940.74, 4,409.09 and 1,090.86

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Solution

The fourth proportional to 2,940.74, 4,409.09 and 1,090.86 is: 1,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.74 : 4,409.09 = 1,090.86 : x
  2. Step 2: Convert to fraction form
    2,940.74/4,409.09 = 1,090.86/x
  3. Step 3: Cross multiply
    2,940.74x = 4,409.09 × 1,090.86
  4. Step 4: Simplify right side
    2,940.74x = 4,809,699.92
  5. Step 5: Solve for x
    x = 4,809,699.92/2,940.74
  6. Step 6: Final answer
    x = 1,635.54

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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.