Home / 3,739.30-5,160.97-2,147.02

Finding the Fourth Proportional to 3,739.30, 5,160.97 and 2,147.02

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Solution

The fourth proportional to 3,739.30, 5,160.97 and 2,147.02 is: 2,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.30 : 5,160.97 = 2,147.02 : x
  2. Step 2: Convert to fraction form
    3,739.30/5,160.97 = 2,147.02/x
  3. Step 3: Cross multiply
    3,739.30x = 5,160.97 × 2,147.02
  4. Step 4: Simplify right side
    3,739.30x = 11,080,687.54
  5. Step 5: Solve for x
    x = 11,080,687.54/3,739.30
  6. Step 6: Final answer
    x = 2,963.31

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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.