Home / 3,301.21-4,949.12-1,219.89

Finding the Fourth Proportional to 3,301.21, 4,949.12 and 1,219.89

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Solution

The fourth proportional to 3,301.21, 4,949.12 and 1,219.89 is: 1,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.21 : 4,949.12 = 1,219.89 : x
  2. Step 2: Convert to fraction form
    3,301.21/4,949.12 = 1,219.89/x
  3. Step 3: Cross multiply
    3,301.21x = 4,949.12 × 1,219.89
  4. Step 4: Simplify right side
    3,301.21x = 6,037,382.00
  5. Step 5: Solve for x
    x = 6,037,382.00/3,301.21
  6. Step 6: Final answer
    x = 1,828.84

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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.