Home / 3,258.36-4,496.68-1,999.01

Finding the Fourth Proportional to 3,258.36, 4,496.68 and 1,999.01

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Solution

The fourth proportional to 3,258.36, 4,496.68 and 1,999.01 is: 2,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.36 : 4,496.68 = 1,999.01 : x
  2. Step 2: Convert to fraction form
    3,258.36/4,496.68 = 1,999.01/x
  3. Step 3: Cross multiply
    3,258.36x = 4,496.68 × 1,999.01
  4. Step 4: Simplify right side
    3,258.36x = 8,988,922.03
  5. Step 5: Solve for x
    x = 8,988,922.03/3,258.36
  6. Step 6: Final answer
    x = 2,758.73

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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.