Home / 3,768.91-5,201.36-2,090.48

Finding the Fourth Proportional to 3,768.91, 5,201.36 and 2,090.48

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Solution

The fourth proportional to 3,768.91, 5,201.36 and 2,090.48 is: 2,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.91 : 5,201.36 = 2,090.48 : x
  2. Step 2: Convert to fraction form
    3,768.91/5,201.36 = 2,090.48/x
  3. Step 3: Cross multiply
    3,768.91x = 5,201.36 × 2,090.48
  4. Step 4: Simplify right side
    3,768.91x = 10,873,313.05
  5. Step 5: Solve for x
    x = 10,873,313.05/3,768.91
  6. Step 6: Final answer
    x = 2,885.00

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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.