Home / 3,554.25-4,904.87-1,982.45

Finding the Fourth Proportional to 3,554.25, 4,904.87 and 1,982.45

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Solution

The fourth proportional to 3,554.25, 4,904.87 and 1,982.45 is: 2,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.25 : 4,904.87 = 1,982.45 : x
  2. Step 2: Convert to fraction form
    3,554.25/4,904.87 = 1,982.45/x
  3. Step 3: Cross multiply
    3,554.25x = 4,904.87 × 1,982.45
  4. Step 4: Simplify right side
    3,554.25x = 9,723,625.09
  5. Step 5: Solve for x
    x = 9,723,625.09/3,554.25
  6. Step 6: Final answer
    x = 2,735.77

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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.