Home / 3,270.07-4,512.70-1,872.82

Finding the Fourth Proportional to 3,270.07, 4,512.70 and 1,872.82

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Solution

The fourth proportional to 3,270.07, 4,512.70 and 1,872.82 is: 2,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.07 : 4,512.70 = 1,872.82 : x
  2. Step 2: Convert to fraction form
    3,270.07/4,512.70 = 1,872.82/x
  3. Step 3: Cross multiply
    3,270.07x = 4,512.70 × 1,872.82
  4. Step 4: Simplify right side
    3,270.07x = 8,451,474.81
  5. Step 5: Solve for x
    x = 8,451,474.81/3,270.07
  6. Step 6: Final answer
    x = 2,584.49

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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.