Home / 3,084.80-4,625.52-2,112

Finding the Fourth Proportional to 3,084.80, 4,625.52 and 2,112

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Solution

The fourth proportional to 3,084.80, 4,625.52 and 2,112 is: 3,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.80 : 4,625.52 = 2,112 : x
  2. Step 2: Convert to fraction form
    3,084.80/4,625.52 = 2,112/x
  3. Step 3: Cross multiply
    3,084.80x = 4,625.52 × 2,112
  4. Step 4: Simplify right side
    3,084.80x = 9,769,098.24
  5. Step 5: Solve for x
    x = 9,769,098.24/3,084.80
  6. Step 6: Final answer
    x = 3,166.85

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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.