Home / 3,278.04-4,913.82-1,329

Finding the Fourth Proportional to 3,278.04, 4,913.82 and 1,329

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Solution

The fourth proportional to 3,278.04, 4,913.82 and 1,329 is: 1,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.04 : 4,913.82 = 1,329 : x
  2. Step 2: Convert to fraction form
    3,278.04/4,913.82 = 1,329/x
  3. Step 3: Cross multiply
    3,278.04x = 4,913.82 × 1,329
  4. Step 4: Simplify right side
    3,278.04x = 6,530,466.78
  5. Step 5: Solve for x
    x = 6,530,466.78/3,278.04
  6. Step 6: Final answer
    x = 1,992.19

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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.