Home / 3,363.40-5,039.70-2,207.80

Finding the Fourth Proportional to 3,363.40, 5,039.70 and 2,207.80

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Solution

The fourth proportional to 3,363.40, 5,039.70 and 2,207.80 is: 3,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.40 : 5,039.70 = 2,207.80 : x
  2. Step 2: Convert to fraction form
    3,363.40/5,039.70 = 2,207.80/x
  3. Step 3: Cross multiply
    3,363.40x = 5,039.70 × 2,207.80
  4. Step 4: Simplify right side
    3,363.40x = 11,126,649.66
  5. Step 5: Solve for x
    x = 11,126,649.66/3,363.40
  6. Step 6: Final answer
    x = 3,308.16

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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.