Home / 4,072.92-5,621.34-2,500.80

Finding the Fourth Proportional to 4,072.92, 5,621.34 and 2,500.80

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Solution

The fourth proportional to 4,072.92, 5,621.34 and 2,500.80 is: 3,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.92 : 5,621.34 = 2,500.80 : x
  2. Step 2: Convert to fraction form
    4,072.92/5,621.34 = 2,500.80/x
  3. Step 3: Cross multiply
    4,072.92x = 5,621.34 × 2,500.80
  4. Step 4: Simplify right side
    4,072.92x = 14,057,847.07
  5. Step 5: Solve for x
    x = 14,057,847.07/4,072.92
  6. Step 6: Final answer
    x = 3,451.54

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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.