Home / 3,040.43-4,190.75-2,409.85

Finding the Fourth Proportional to 3,040.43, 4,190.75 and 2,409.85

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Solution

The fourth proportional to 3,040.43, 4,190.75 and 2,409.85 is: 3,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.43 : 4,190.75 = 2,409.85 : x
  2. Step 2: Convert to fraction form
    3,040.43/4,190.75 = 2,409.85/x
  3. Step 3: Cross multiply
    3,040.43x = 4,190.75 × 2,409.85
  4. Step 4: Simplify right side
    3,040.43x = 10,099,045.88
  5. Step 5: Solve for x
    x = 10,099,045.88/3,040.43
  6. Step 6: Final answer
    x = 3,321.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.