Home / 3,986.91-5,505.44-2,497.37

Finding the Fourth Proportional to 3,986.91, 5,505.44 and 2,497.37

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Solution

The fourth proportional to 3,986.91, 5,505.44 and 2,497.37 is: 3,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.91 : 5,505.44 = 2,497.37 : x
  2. Step 2: Convert to fraction form
    3,986.91/5,505.44 = 2,497.37/x
  3. Step 3: Cross multiply
    3,986.91x = 5,505.44 × 2,497.37
  4. Step 4: Simplify right side
    3,986.91x = 13,749,080.68
  5. Step 5: Solve for x
    x = 13,749,080.68/3,986.91
  6. Step 6: Final answer
    x = 3,448.56

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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.