Home / 3,278.82-4,914.50-1,302.62

Finding the Fourth Proportional to 3,278.82, 4,914.50 and 1,302.62

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Solution

The fourth proportional to 3,278.82, 4,914.50 and 1,302.62 is: 1,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.82 : 4,914.50 = 1,302.62 : x
  2. Step 2: Convert to fraction form
    3,278.82/4,914.50 = 1,302.62/x
  3. Step 3: Cross multiply
    3,278.82x = 4,914.50 × 1,302.62
  4. Step 4: Simplify right side
    3,278.82x = 6,401,725.99
  5. Step 5: Solve for x
    x = 6,401,725.99/3,278.82
  6. Step 6: Final answer
    x = 1,952.45

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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.