Home / 3,983.73-5,496.91-2,215.30

Finding the Fourth Proportional to 3,983.73, 5,496.91 and 2,215.30

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Solution

The fourth proportional to 3,983.73, 5,496.91 and 2,215.30 is: 3,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.73 : 5,496.91 = 2,215.30 : x
  2. Step 2: Convert to fraction form
    3,983.73/5,496.91 = 2,215.30/x
  3. Step 3: Cross multiply
    3,983.73x = 5,496.91 × 2,215.30
  4. Step 4: Simplify right side
    3,983.73x = 12,177,285.44
  5. Step 5: Solve for x
    x = 12,177,285.44/3,983.73
  6. Step 6: Final answer
    x = 3,056.75

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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.