Home / 2,199.96-3,299.94-1,379.16

Finding the Fourth Proportional to 2,199.96, 3,299.94 and 1,379.16

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Solution

The fourth proportional to 2,199.96, 3,299.94 and 1,379.16 is: 2,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.96 : 3,299.94 = 1,379.16 : x
  2. Step 2: Convert to fraction form
    2,199.96/3,299.94 = 1,379.16/x
  3. Step 3: Cross multiply
    2,199.96x = 3,299.94 × 1,379.16
  4. Step 4: Simplify right side
    2,199.96x = 4,551,145.25
  5. Step 5: Solve for x
    x = 4,551,145.25/2,199.96
  6. Step 6: Final answer
    x = 2,068.74

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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.