Home / 3,084.84-4,623.48-2,109.60

Finding the Fourth Proportional to 3,084.84, 4,623.48 and 2,109.60

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Solution

The fourth proportional to 3,084.84, 4,623.48 and 2,109.60 is: 3,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.84 : 4,623.48 = 2,109.60 : x
  2. Step 2: Convert to fraction form
    3,084.84/4,623.48 = 2,109.60/x
  3. Step 3: Cross multiply
    3,084.84x = 4,623.48 × 2,109.60
  4. Step 4: Simplify right side
    3,084.84x = 9,753,693.41
  5. Step 5: Solve for x
    x = 9,753,693.41/3,084.84
  6. Step 6: Final answer
    x = 3,161.82

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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.