Home / 3,457.04-5,179.34-2,221.38

Finding the Fourth Proportional to 3,457.04, 5,179.34 and 2,221.38

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Solution

The fourth proportional to 3,457.04, 5,179.34 and 2,221.38 is: 3,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.04 : 5,179.34 = 2,221.38 : x
  2. Step 2: Convert to fraction form
    3,457.04/5,179.34 = 2,221.38/x
  3. Step 3: Cross multiply
    3,457.04x = 5,179.34 × 2,221.38
  4. Step 4: Simplify right side
    3,457.04x = 11,505,287.84
  5. Step 5: Solve for x
    x = 11,505,287.84/3,457.04
  6. Step 6: Final answer
    x = 3,328.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.