Home / 2,066.89-3,082.66-1,993.99

Finding the Fourth Proportional to 2,066.89, 3,082.66 and 1,993.99

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Solution

The fourth proportional to 2,066.89, 3,082.66 and 1,993.99 is: 2,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.89 : 3,082.66 = 1,993.99 : x
  2. Step 2: Convert to fraction form
    2,066.89/3,082.66 = 1,993.99/x
  3. Step 3: Cross multiply
    2,066.89x = 3,082.66 × 1,993.99
  4. Step 4: Simplify right side
    2,066.89x = 6,146,793.21
  5. Step 5: Solve for x
    x = 6,146,793.21/2,066.89
  6. Step 6: Final answer
    x = 2,973.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.