Home / 2,276.25-3,388.31-2,170.05

Finding the Fourth Proportional to 2,276.25, 3,388.31 and 2,170.05

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Solution

The fourth proportional to 2,276.25, 3,388.31 and 2,170.05 is: 3,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.25 : 3,388.31 = 2,170.05 : x
  2. Step 2: Convert to fraction form
    2,276.25/3,388.31 = 2,170.05/x
  3. Step 3: Cross multiply
    2,276.25x = 3,388.31 × 2,170.05
  4. Step 4: Simplify right side
    2,276.25x = 7,352,807.54
  5. Step 5: Solve for x
    x = 7,352,807.54/2,276.25
  6. Step 6: Final answer
    x = 3,230.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.