Home / 3,355.23-5,032.44-2,121.60

Finding the Fourth Proportional to 3,355.23, 5,032.44 and 2,121.60

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Solution

The fourth proportional to 3,355.23, 5,032.44 and 2,121.60 is: 3,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.23 : 5,032.44 = 2,121.60 : x
  2. Step 2: Convert to fraction form
    3,355.23/5,032.44 = 2,121.60/x
  3. Step 3: Cross multiply
    3,355.23x = 5,032.44 × 2,121.60
  4. Step 4: Simplify right side
    3,355.23x = 10,676,824.70
  5. Step 5: Solve for x
    x = 10,676,824.70/3,355.23
  6. Step 6: Final answer
    x = 3,182.14

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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.