Home / 3,529.82-4,869.75-2,270.66

Finding the Fourth Proportional to 3,529.82, 4,869.75 and 2,270.66

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Solution

The fourth proportional to 3,529.82, 4,869.75 and 2,270.66 is: 3,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.82 : 4,869.75 = 2,270.66 : x
  2. Step 2: Convert to fraction form
    3,529.82/4,869.75 = 2,270.66/x
  3. Step 3: Cross multiply
    3,529.82x = 4,869.75 × 2,270.66
  4. Step 4: Simplify right side
    3,529.82x = 11,057,546.54
  5. Step 5: Solve for x
    x = 11,057,546.54/3,529.82
  6. Step 6: Final answer
    x = 3,132.61

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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.