Home / 2,008.38-3,015.82-1,243.74

Finding the Fourth Proportional to 2,008.38, 3,015.82 and 1,243.74

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Solution

The fourth proportional to 2,008.38, 3,015.82 and 1,243.74 is: 1,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.38 : 3,015.82 = 1,243.74 : x
  2. Step 2: Convert to fraction form
    2,008.38/3,015.82 = 1,243.74/x
  3. Step 3: Cross multiply
    2,008.38x = 3,015.82 × 1,243.74
  4. Step 4: Simplify right side
    2,008.38x = 3,750,895.97
  5. Step 5: Solve for x
    x = 3,750,895.97/2,008.38
  6. Step 6: Final answer
    x = 1,867.62

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1.5x scale

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.