Home / 3,309.30-4,964.20-1,361.52

Finding the Fourth Proportional to 3,309.30, 4,964.20 and 1,361.52

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Solution

The fourth proportional to 3,309.30, 4,964.20 and 1,361.52 is: 2,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.30 : 4,964.20 = 1,361.52 : x
  2. Step 2: Convert to fraction form
    3,309.30/4,964.20 = 1,361.52/x
  3. Step 3: Cross multiply
    3,309.30x = 4,964.20 × 1,361.52
  4. Step 4: Simplify right side
    3,309.30x = 6,758,857.58
  5. Step 5: Solve for x
    x = 6,758,857.58/3,309.30
  6. Step 6: Final answer
    x = 2,042.38

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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.