Home / 3,554.67-4,905.45-1,982.73

Finding the Fourth Proportional to 3,554.67, 4,905.45 and 1,982.73

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Solution

The fourth proportional to 3,554.67, 4,905.45 and 1,982.73 is: 2,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.67 : 4,905.45 = 1,982.73 : x
  2. Step 2: Convert to fraction form
    3,554.67/4,905.45 = 1,982.73/x
  3. Step 3: Cross multiply
    3,554.67x = 4,905.45 × 1,982.73
  4. Step 4: Simplify right side
    3,554.67x = 9,726,182.88
  5. Step 5: Solve for x
    x = 9,726,182.88/3,554.67
  6. Step 6: Final answer
    x = 2,736.17

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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.