Home / 2,072.22-2,859.54-1,176

Finding the Fourth Proportional to 2,072.22, 2,859.54 and 1,176

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Solution

The fourth proportional to 2,072.22, 2,859.54 and 1,176 is: 1,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.22 : 2,859.54 = 1,176 : x
  2. Step 2: Convert to fraction form
    2,072.22/2,859.54 = 1,176/x
  3. Step 3: Cross multiply
    2,072.22x = 2,859.54 × 1,176
  4. Step 4: Simplify right side
    2,072.22x = 3,362,819.04
  5. Step 5: Solve for x
    x = 3,362,819.04/2,072.22
  6. Step 6: Final answer
    x = 1,622.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.