Home / 3,760.90-5,189.92-2,082.31

Finding the Fourth Proportional to 3,760.90, 5,189.92 and 2,082.31

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Solution

The fourth proportional to 3,760.90, 5,189.92 and 2,082.31 is: 2,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.90 : 5,189.92 = 2,082.31 : x
  2. Step 2: Convert to fraction form
    3,760.90/5,189.92 = 2,082.31/x
  3. Step 3: Cross multiply
    3,760.90x = 5,189.92 × 2,082.31
  4. Step 4: Simplify right side
    3,760.90x = 10,807,004.13
  5. Step 5: Solve for x
    x = 10,807,004.13/3,760.90
  6. Step 6: Final answer
    x = 2,873.52

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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.