Home / 3,984.84-5,499.75-2,305.96

Finding the Fourth Proportional to 3,984.84, 5,499.75 and 2,305.96

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Solution

The fourth proportional to 3,984.84, 5,499.75 and 2,305.96 is: 3,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.84 : 5,499.75 = 2,305.96 : x
  2. Step 2: Convert to fraction form
    3,984.84/5,499.75 = 2,305.96/x
  3. Step 3: Cross multiply
    3,984.84x = 5,499.75 × 2,305.96
  4. Step 4: Simplify right side
    3,984.84x = 12,682,203.51
  5. Step 5: Solve for x
    x = 12,682,203.51/3,984.84
  6. Step 6: Final answer
    x = 3,182.61

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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.