Home / 2,276.44-3,141.80-1,282.12

Finding the Fourth Proportional to 2,276.44, 3,141.80 and 1,282.12

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Solution

The fourth proportional to 2,276.44, 3,141.80 and 1,282.12 is: 1,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.44 : 3,141.80 = 1,282.12 : x
  2. Step 2: Convert to fraction form
    2,276.44/3,141.80 = 1,282.12/x
  3. Step 3: Cross multiply
    2,276.44x = 3,141.80 × 1,282.12
  4. Step 4: Simplify right side
    2,276.44x = 4,028,164.62
  5. Step 5: Solve for x
    x = 4,028,164.62/2,276.44
  6. Step 6: Final answer
    x = 1,769.50

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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.