Home / 4,072.96-5,620.42-2,280.14

Finding the Fourth Proportional to 4,072.96, 5,620.42 and 2,280.14

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Solution

The fourth proportional to 4,072.96, 5,620.42 and 2,280.14 is: 3,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.96 : 5,620.42 = 2,280.14 : x
  2. Step 2: Convert to fraction form
    4,072.96/5,620.42 = 2,280.14/x
  3. Step 3: Cross multiply
    4,072.96x = 5,620.42 × 2,280.14
  4. Step 4: Simplify right side
    4,072.96x = 12,815,344.46
  5. Step 5: Solve for x
    x = 12,815,344.46/4,072.96
  6. Step 6: Final answer
    x = 3,146.44

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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.