Home / 4,072.71-5,620.62-2,280.35

Finding the Fourth Proportional to 4,072.71, 5,620.62 and 2,280.35

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Solution

The fourth proportional to 4,072.71, 5,620.62 and 2,280.35 is: 3,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.71 : 5,620.62 = 2,280.35 : x
  2. Step 2: Convert to fraction form
    4,072.71/5,620.62 = 2,280.35/x
  3. Step 3: Cross multiply
    4,072.71x = 5,620.62 × 2,280.35
  4. Step 4: Simplify right side
    4,072.71x = 12,816,984.18
  5. Step 5: Solve for x
    x = 12,816,984.18/4,072.71
  6. Step 6: Final answer
    x = 3,147.04

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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.