Home / 3,289.44-4,927.68-2,190.72

Finding the Fourth Proportional to 3,289.44, 4,927.68 and 2,190.72

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Solution

The fourth proportional to 3,289.44, 4,927.68 and 2,190.72 is: 3,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.44 : 4,927.68 = 2,190.72 : x
  2. Step 2: Convert to fraction form
    3,289.44/4,927.68 = 2,190.72/x
  3. Step 3: Cross multiply
    3,289.44x = 4,927.68 × 2,190.72
  4. Step 4: Simplify right side
    3,289.44x = 10,795,167.13
  5. Step 5: Solve for x
    x = 10,795,167.13/3,289.44
  6. Step 6: Final answer
    x = 3,281.76

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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.