Home / 3,983.70-5,497.66-2,215.27

Finding the Fourth Proportional to 3,983.70, 5,497.66 and 2,215.27

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Solution

The fourth proportional to 3,983.70, 5,497.66 and 2,215.27 is: 3,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.70 : 5,497.66 = 2,215.27 : x
  2. Step 2: Convert to fraction form
    3,983.70/5,497.66 = 2,215.27/x
  3. Step 3: Cross multiply
    3,983.70x = 5,497.66 × 2,215.27
  4. Step 4: Simplify right side
    3,983.70x = 12,178,767.52
  5. Step 5: Solve for x
    x = 12,178,767.52/3,983.70
  6. Step 6: Final answer
    x = 3,057.15

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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.