Home / 3,679.58-5,519.38-1,084.34

Finding the Fourth Proportional to 3,679.58, 5,519.38 and 1,084.34

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Solution

The fourth proportional to 3,679.58, 5,519.38 and 1,084.34 is: 1,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.58 : 5,519.38 = 1,084.34 : x
  2. Step 2: Convert to fraction form
    3,679.58/5,519.38 = 1,084.34/x
  3. Step 3: Cross multiply
    3,679.58x = 5,519.38 × 1,084.34
  4. Step 4: Simplify right side
    3,679.58x = 5,984,884.51
  5. Step 5: Solve for x
    x = 5,984,884.51/3,679.58
  6. Step 6: Final answer
    x = 1,626.51

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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.