Home / 2,082.01-3,121.47-1,260.08

Finding the Fourth Proportional to 2,082.01, 3,121.47 and 1,260.08

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Solution

The fourth proportional to 2,082.01, 3,121.47 and 1,260.08 is: 1,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.01 : 3,121.47 = 1,260.08 : x
  2. Step 2: Convert to fraction form
    2,082.01/3,121.47 = 1,260.08/x
  3. Step 3: Cross multiply
    2,082.01x = 3,121.47 × 1,260.08
  4. Step 4: Simplify right side
    2,082.01x = 3,933,301.92
  5. Step 5: Solve for x
    x = 3,933,301.92/2,082.01
  6. Step 6: Final answer
    x = 1,889.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.