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Finding the Fourth Proportional to 3,330.98, 4,992.12 and 2,409.62

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Solution

The fourth proportional to 3,330.98, 4,992.12 and 2,409.62 is: 3,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.98 : 4,992.12 = 2,409.62 : x
  2. Step 2: Convert to fraction form
    3,330.98/4,992.12 = 2,409.62/x
  3. Step 3: Cross multiply
    3,330.98x = 4,992.12 × 2,409.62
  4. Step 4: Simplify right side
    3,330.98x = 12,029,112.19
  5. Step 5: Solve for x
    x = 12,029,112.19/3,330.98
  6. Step 6: Final answer
    x = 3,611.28

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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.