Home / 2,180.60-3,271.36-882.06

Finding the Fourth Proportional to 2,180.60, 3,271.36 and 882.06

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Solution

The fourth proportional to 2,180.60, 3,271.36 and 882.06 is: 1,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.60 : 3,271.36 = 882.06 : x
  2. Step 2: Convert to fraction form
    2,180.60/3,271.36 = 882.06/x
  3. Step 3: Cross multiply
    2,180.60x = 3,271.36 × 882.06
  4. Step 4: Simplify right side
    2,180.60x = 2,885,535.80
  5. Step 5: Solve for x
    x = 2,885,535.80/2,180.60
  6. Step 6: Final answer
    x = 1,323.28

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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.