Home / 2,072.72-3,109.08-1,194.68

Finding the Fourth Proportional to 2,072.72, 3,109.08 and 1,194.68

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Solution

The fourth proportional to 2,072.72, 3,109.08 and 1,194.68 is: 1,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.72 : 3,109.08 = 1,194.68 : x
  2. Step 2: Convert to fraction form
    2,072.72/3,109.08 = 1,194.68/x
  3. Step 3: Cross multiply
    2,072.72x = 3,109.08 × 1,194.68
  4. Step 4: Simplify right side
    2,072.72x = 3,714,355.69
  5. Step 5: Solve for x
    x = 3,714,355.69/2,072.72
  6. Step 6: Final answer
    x = 1,792.02

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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.