Home / 3,731.09-5,149.26-2,239.07

Finding the Fourth Proportional to 3,731.09, 5,149.26 and 2,239.07

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Solution

The fourth proportional to 3,731.09, 5,149.26 and 2,239.07 is: 3,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.09 : 5,149.26 = 2,239.07 : x
  2. Step 2: Convert to fraction form
    3,731.09/5,149.26 = 2,239.07/x
  3. Step 3: Cross multiply
    3,731.09x = 5,149.26 × 2,239.07
  4. Step 4: Simplify right side
    3,731.09x = 11,529,542.39
  5. Step 5: Solve for x
    x = 11,529,542.39/3,731.09
  6. Step 6: Final answer
    x = 3,090.13

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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.