Home / 2,199.48-3,299.94-1,376.79

Finding the Fourth Proportional to 2,199.48, 3,299.94 and 1,376.79

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Solution

The fourth proportional to 2,199.48, 3,299.94 and 1,376.79 is: 2,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.48 : 3,299.94 = 1,376.79 : x
  2. Step 2: Convert to fraction form
    2,199.48/3,299.94 = 1,376.79/x
  3. Step 3: Cross multiply
    2,199.48x = 3,299.94 × 1,376.79
  4. Step 4: Simplify right side
    2,199.48x = 4,543,324.39
  5. Step 5: Solve for x
    x = 4,543,324.39/2,199.48
  6. Step 6: Final answer
    x = 2,065.64

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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.