Home / 3,769.13-5,201.78-2,090.63

Finding the Fourth Proportional to 3,769.13, 5,201.78 and 2,090.63

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Solution

The fourth proportional to 3,769.13, 5,201.78 and 2,090.63 is: 2,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.13 : 5,201.78 = 2,090.63 : x
  2. Step 2: Convert to fraction form
    3,769.13/5,201.78 = 2,090.63/x
  3. Step 3: Cross multiply
    3,769.13x = 5,201.78 × 2,090.63
  4. Step 4: Simplify right side
    3,769.13x = 10,874,960.86
  5. Step 5: Solve for x
    x = 10,874,960.86/3,769.13
  6. Step 6: Final answer
    x = 2,885.27

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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.