Home / 1,336.15-2,008.55-1,329.67

Finding the Fourth Proportional to 1,336.15, 2,008.55 and 1,329.67

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Solution

The fourth proportional to 1,336.15, 2,008.55 and 1,329.67 is: 1,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.15 : 2,008.55 = 1,329.67 : x
  2. Step 2: Convert to fraction form
    1,336.15/2,008.55 = 1,329.67/x
  3. Step 3: Cross multiply
    1,336.15x = 2,008.55 × 1,329.67
  4. Step 4: Simplify right side
    1,336.15x = 2,670,708.68
  5. Step 5: Solve for x
    x = 2,670,708.68/1,336.15
  6. Step 6: Final answer
    x = 1,998.81

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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.