Home / 3,675.65-5,072.76-2,183.90

Finding the Fourth Proportional to 3,675.65, 5,072.76 and 2,183.90

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Solution

The fourth proportional to 3,675.65, 5,072.76 and 2,183.90 is: 3,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.65 : 5,072.76 = 2,183.90 : x
  2. Step 2: Convert to fraction form
    3,675.65/5,072.76 = 2,183.90/x
  3. Step 3: Cross multiply
    3,675.65x = 5,072.76 × 2,183.90
  4. Step 4: Simplify right side
    3,675.65x = 11,078,375.20
  5. Step 5: Solve for x
    x = 11,078,375.20/3,675.65
  6. Step 6: Final answer
    x = 3,013.99

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1.5x scale

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.