Home / 2,335.44-3,222.97-1,287.57

Finding the Fourth Proportional to 2,335.44, 3,222.97 and 1,287.57

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Solution

The fourth proportional to 2,335.44, 3,222.97 and 1,287.57 is: 1,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.44 : 3,222.97 = 1,287.57 : x
  2. Step 2: Convert to fraction form
    2,335.44/3,222.97 = 1,287.57/x
  3. Step 3: Cross multiply
    2,335.44x = 3,222.97 × 1,287.57
  4. Step 4: Simplify right side
    2,335.44x = 4,149,794.64
  5. Step 5: Solve for x
    x = 4,149,794.64/2,335.44
  6. Step 6: Final answer
    x = 1,776.88

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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.