Home / 3,270.60-4,902.75-2,097.32

Finding the Fourth Proportional to 3,270.60, 4,902.75 and 2,097.32

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Solution

The fourth proportional to 3,270.60, 4,902.75 and 2,097.32 is: 3,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.60 : 4,902.75 = 2,097.32 : x
  2. Step 2: Convert to fraction form
    3,270.60/4,902.75 = 2,097.32/x
  3. Step 3: Cross multiply
    3,270.60x = 4,902.75 × 2,097.32
  4. Step 4: Simplify right side
    3,270.60x = 10,282,611.12
  5. Step 5: Solve for x
    x = 10,282,611.12/3,270.60
  6. Step 6: Final answer
    x = 3,143.95

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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.