Home / 3,505.80-5,258.70-3,304.20

Finding the Fourth Proportional to 3,505.80, 5,258.70 and 3,304.20

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Solution

The fourth proportional to 3,505.80, 5,258.70 and 3,304.20 is: 4,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.80 : 5,258.70 = 3,304.20 : x
  2. Step 2: Convert to fraction form
    3,505.80/5,258.70 = 3,304.20/x
  3. Step 3: Cross multiply
    3,505.80x = 5,258.70 × 3,304.20
  4. Step 4: Simplify right side
    3,505.80x = 17,375,796.54
  5. Step 5: Solve for x
    x = 17,375,796.54/3,505.80
  6. Step 6: Final answer
    x = 4,956.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.