Home / 2,730.45-4,089.60-2,183.70

Finding the Fourth Proportional to 2,730.45, 4,089.60 and 2,183.70

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Solution

The fourth proportional to 2,730.45, 4,089.60 and 2,183.70 is: 3,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.45 : 4,089.60 = 2,183.70 : x
  2. Step 2: Convert to fraction form
    2,730.45/4,089.60 = 2,183.70/x
  3. Step 3: Cross multiply
    2,730.45x = 4,089.60 × 2,183.70
  4. Step 4: Simplify right side
    2,730.45x = 8,930,459.52
  5. Step 5: Solve for x
    x = 8,930,459.52/2,730.45
  6. Step 6: Final answer
    x = 3,270.69

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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.