Home / 3,554.75-4,905.60-1,982.99

Finding the Fourth Proportional to 3,554.75, 4,905.60 and 1,982.99

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Solution

The fourth proportional to 3,554.75, 4,905.60 and 1,982.99 is: 2,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.75 : 4,905.60 = 1,982.99 : x
  2. Step 2: Convert to fraction form
    3,554.75/4,905.60 = 1,982.99/x
  3. Step 3: Cross multiply
    3,554.75x = 4,905.60 × 1,982.99
  4. Step 4: Simplify right side
    3,554.75x = 9,727,755.74
  5. Step 5: Solve for x
    x = 9,727,755.74/3,554.75
  6. Step 6: Final answer
    x = 2,736.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.