Home / 2,180.78-3,271.17-882.26

Finding the Fourth Proportional to 2,180.78, 3,271.17 and 882.26

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Solution

The fourth proportional to 2,180.78, 3,271.17 and 882.26 is: 1,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.78 : 3,271.17 = 882.26 : x
  2. Step 2: Convert to fraction form
    2,180.78/3,271.17 = 882.26/x
  3. Step 3: Cross multiply
    2,180.78x = 3,271.17 × 882.26
  4. Step 4: Simplify right side
    2,180.78x = 2,886,022.44
  5. Step 5: Solve for x
    x = 2,886,022.44/2,180.78
  6. Step 6: Final answer
    x = 1,323.39

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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.