Home / 3,769.76-5,201.89-2,090.75

Finding the Fourth Proportional to 3,769.76, 5,201.89 and 2,090.75

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Solution

The fourth proportional to 3,769.76, 5,201.89 and 2,090.75 is: 2,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.76 : 5,201.89 = 2,090.75 : x
  2. Step 2: Convert to fraction form
    3,769.76/5,201.89 = 2,090.75/x
  3. Step 3: Cross multiply
    3,769.76x = 5,201.89 × 2,090.75
  4. Step 4: Simplify right side
    3,769.76x = 10,875,820.28
  5. Step 5: Solve for x
    x = 10,875,820.28/3,769.76
  6. Step 6: Final answer
    x = 2,885.01

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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.