Home / 3,559.22-4,914.03-3,185.55

Finding the Fourth Proportional to 3,559.22, 4,914.03 and 3,185.55

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Solution

The fourth proportional to 3,559.22, 4,914.03 and 3,185.55 is: 4,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.22 : 4,914.03 = 3,185.55 : x
  2. Step 2: Convert to fraction form
    3,559.22/4,914.03 = 3,185.55/x
  3. Step 3: Cross multiply
    3,559.22x = 4,914.03 × 3,185.55
  4. Step 4: Simplify right side
    3,559.22x = 15,653,855.73
  5. Step 5: Solve for x
    x = 15,653,855.73/3,559.22
  6. Step 6: Final answer
    x = 4,398.12

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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.