Home / 3,329.80-4,994.70-1,021.30

Finding the Fourth Proportional to 3,329.80, 4,994.70 and 1,021.30

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Solution

The fourth proportional to 3,329.80, 4,994.70 and 1,021.30 is: 1,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.80 : 4,994.70 = 1,021.30 : x
  2. Step 2: Convert to fraction form
    3,329.80/4,994.70 = 1,021.30/x
  3. Step 3: Cross multiply
    3,329.80x = 4,994.70 × 1,021.30
  4. Step 4: Simplify right side
    3,329.80x = 5,101,087.11
  5. Step 5: Solve for x
    x = 5,101,087.11/3,329.80
  6. Step 6: Final answer
    x = 1,531.95

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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.