Home / 3,983.49-5,497.32-2,215.26

Finding the Fourth Proportional to 3,983.49, 5,497.32 and 2,215.26

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Solution

The fourth proportional to 3,983.49, 5,497.32 and 2,215.26 is: 3,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.49 : 5,497.32 = 2,215.26 : x
  2. Step 2: Convert to fraction form
    3,983.49/5,497.32 = 2,215.26/x
  3. Step 3: Cross multiply
    3,983.49x = 5,497.32 × 2,215.26
  4. Step 4: Simplify right side
    3,983.49x = 12,177,993.10
  5. Step 5: Solve for x
    x = 12,177,993.10/3,983.49
  6. Step 6: Final answer
    x = 3,057.12

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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.