Home / 3,515.42-4,850.44-2,188.42

Finding the Fourth Proportional to 3,515.42, 4,850.44 and 2,188.42

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Solution

The fourth proportional to 3,515.42, 4,850.44 and 2,188.42 is: 3,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.42 : 4,850.44 = 2,188.42 : x
  2. Step 2: Convert to fraction form
    3,515.42/4,850.44 = 2,188.42/x
  3. Step 3: Cross multiply
    3,515.42x = 4,850.44 × 2,188.42
  4. Step 4: Simplify right side
    3,515.42x = 10,614,799.90
  5. Step 5: Solve for x
    x = 10,614,799.90/3,515.42
  6. Step 6: Final answer
    x = 3,019.50

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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.