Home / 2,180.82-3,271.23-882.29

Finding the Fourth Proportional to 2,180.82, 3,271.23 and 882.29

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Solution

The fourth proportional to 2,180.82, 3,271.23 and 882.29 is: 1,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.82 : 3,271.23 = 882.29 : x
  2. Step 2: Convert to fraction form
    2,180.82/3,271.23 = 882.29/x
  3. Step 3: Cross multiply
    2,180.82x = 3,271.23 × 882.29
  4. Step 4: Simplify right side
    2,180.82x = 2,886,157.16
  5. Step 5: Solve for x
    x = 2,886,157.16/2,180.82
  6. Step 6: Final answer
    x = 1,323.43

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1.5x scale

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.