Home / 4,090.92-6,139.22-2,144.49

Finding the Fourth Proportional to 4,090.92, 6,139.22 and 2,144.49

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Solution

The fourth proportional to 4,090.92, 6,139.22 and 2,144.49 is: 3,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.92 : 6,139.22 = 2,144.49 : x
  2. Step 2: Convert to fraction form
    4,090.92/6,139.22 = 2,144.49/x
  3. Step 3: Cross multiply
    4,090.92x = 6,139.22 × 2,144.49
  4. Step 4: Simplify right side
    4,090.92x = 13,165,485.18
  5. Step 5: Solve for x
    x = 13,165,485.18/4,090.92
  6. Step 6: Final answer
    x = 3,218.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.