Home / 3,982.08-5,482.56-3,457.92

Finding the Fourth Proportional to 3,982.08, 5,482.56 and 3,457.92

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Solution

The fourth proportional to 3,982.08, 5,482.56 and 3,457.92 is: 4,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.08 : 5,482.56 = 3,457.92 : x
  2. Step 2: Convert to fraction form
    3,982.08/5,482.56 = 3,457.92/x
  3. Step 3: Cross multiply
    3,982.08x = 5,482.56 × 3,457.92
  4. Step 4: Simplify right side
    3,982.08x = 18,958,253.88
  5. Step 5: Solve for x
    x = 18,958,253.88/3,982.08
  6. Step 6: Final answer
    x = 4,760.89

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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.