Home / 2,176.75-3,003.93-1,182.03

Finding the Fourth Proportional to 2,176.75, 3,003.93 and 1,182.03

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Solution

The fourth proportional to 2,176.75, 3,003.93 and 1,182.03 is: 1,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.75 : 3,003.93 = 1,182.03 : x
  2. Step 2: Convert to fraction form
    2,176.75/3,003.93 = 1,182.03/x
  3. Step 3: Cross multiply
    2,176.75x = 3,003.93 × 1,182.03
  4. Step 4: Simplify right side
    2,176.75x = 3,550,735.38
  5. Step 5: Solve for x
    x = 3,550,735.38/2,176.75
  6. Step 6: Final answer
    x = 1,631.21

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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.