Home / 3,760.67-5,190.26-2,189.27

Finding the Fourth Proportional to 3,760.67, 5,190.26 and 2,189.27

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Solution

The fourth proportional to 3,760.67, 5,190.26 and 2,189.27 is: 3,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.67 : 5,190.26 = 2,189.27 : x
  2. Step 2: Convert to fraction form
    3,760.67/5,190.26 = 2,189.27/x
  3. Step 3: Cross multiply
    3,760.67x = 5,190.26 × 2,189.27
  4. Step 4: Simplify right side
    3,760.67x = 11,362,880.51
  5. Step 5: Solve for x
    x = 11,362,880.51/3,760.67
  6. Step 6: Final answer
    x = 3,021.50

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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.