Home / 4,072.73-5,620.97-2,580.78

Finding the Fourth Proportional to 4,072.73, 5,620.97 and 2,580.78

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Solution

The fourth proportional to 4,072.73, 5,620.97 and 2,580.78 is: 3,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.73 : 5,620.97 = 2,580.78 : x
  2. Step 2: Convert to fraction form
    4,072.73/5,620.97 = 2,580.78/x
  3. Step 3: Cross multiply
    4,072.73x = 5,620.97 × 2,580.78
  4. Step 4: Simplify right side
    4,072.73x = 14,506,474.05
  5. Step 5: Solve for x
    x = 14,506,474.05/4,072.73
  6. Step 6: Final answer
    x = 3,561.86

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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.