Home / 3,554.19-4,904.81-1,982.32

Finding the Fourth Proportional to 3,554.19, 4,904.81 and 1,982.32

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Solution

The fourth proportional to 3,554.19, 4,904.81 and 1,982.32 is: 2,735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.19 : 4,904.81 = 1,982.32 : x
  2. Step 2: Convert to fraction form
    3,554.19/4,904.81 = 1,982.32/x
  3. Step 3: Cross multiply
    3,554.19x = 4,904.81 × 1,982.32
  4. Step 4: Simplify right side
    3,554.19x = 9,722,902.96
  5. Step 5: Solve for x
    x = 9,722,902.96/3,554.19
  6. Step 6: Final answer
    x = 2,735.62

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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.