Home / 2,008.68-3,007.58-1,391.08

Finding the Fourth Proportional to 2,008.68, 3,007.58 and 1,391.08

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Solution

The fourth proportional to 2,008.68, 3,007.58 and 1,391.08 is: 2,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.68 : 3,007.58 = 1,391.08 : x
  2. Step 2: Convert to fraction form
    2,008.68/3,007.58 = 1,391.08/x
  3. Step 3: Cross multiply
    2,008.68x = 3,007.58 × 1,391.08
  4. Step 4: Simplify right side
    2,008.68x = 4,183,784.39
  5. Step 5: Solve for x
    x = 4,183,784.39/2,008.68
  6. Step 6: Final answer
    x = 2,082.85

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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.