Home / 3,329.25-4,994.28-1,380.39

Finding the Fourth Proportional to 3,329.25, 4,994.28 and 1,380.39

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Solution

The fourth proportional to 3,329.25, 4,994.28 and 1,380.39 is: 2,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.25 : 4,994.28 = 1,380.39 : x
  2. Step 2: Convert to fraction form
    3,329.25/4,994.28 = 1,380.39/x
  3. Step 3: Cross multiply
    3,329.25x = 4,994.28 × 1,380.39
  4. Step 4: Simplify right side
    3,329.25x = 6,894,054.17
  5. Step 5: Solve for x
    x = 6,894,054.17/3,329.25
  6. Step 6: Final answer
    x = 2,070.75

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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.