Home / 3,983.24-5,497.80-2,215.52

Finding the Fourth Proportional to 3,983.24, 5,497.80 and 2,215.52

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Solution

The fourth proportional to 3,983.24, 5,497.80 and 2,215.52 is: 3,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.24 : 5,497.80 = 2,215.52 : x
  2. Step 2: Convert to fraction form
    3,983.24/5,497.80 = 2,215.52/x
  3. Step 3: Cross multiply
    3,983.24x = 5,497.80 × 2,215.52
  4. Step 4: Simplify right side
    3,983.24x = 12,180,485.86
  5. Step 5: Solve for x
    x = 12,180,485.86/3,983.24
  6. Step 6: Final answer
    x = 3,057.93

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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.