Home / 3,589.12-4,951.44-2,189.44

Finding the Fourth Proportional to 3,589.12, 4,951.44 and 2,189.44

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Solution

The fourth proportional to 3,589.12, 4,951.44 and 2,189.44 is: 3,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.12 : 4,951.44 = 2,189.44 : x
  2. Step 2: Convert to fraction form
    3,589.12/4,951.44 = 2,189.44/x
  3. Step 3: Cross multiply
    3,589.12x = 4,951.44 × 2,189.44
  4. Step 4: Simplify right side
    3,589.12x = 10,840,880.79
  5. Step 5: Solve for x
    x = 10,840,880.79/3,589.12
  6. Step 6: Final answer
    x = 3,020.48

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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.