Home / 3,769.11-5,200.89-2,090.51

Finding the Fourth Proportional to 3,769.11, 5,200.89 and 2,090.51

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Solution

The fourth proportional to 3,769.11, 5,200.89 and 2,090.51 is: 2,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.11 : 5,200.89 = 2,090.51 : x
  2. Step 2: Convert to fraction form
    3,769.11/5,200.89 = 2,090.51/x
  3. Step 3: Cross multiply
    3,769.11x = 5,200.89 × 2,090.51
  4. Step 4: Simplify right side
    3,769.11x = 10,872,486.55
  5. Step 5: Solve for x
    x = 10,872,486.55/3,769.11
  6. Step 6: Final answer
    x = 2,884.63

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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.