Home / 3,219.41-4,828.30-1,369.57

Finding the Fourth Proportional to 3,219.41, 4,828.30 and 1,369.57

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Solution

The fourth proportional to 3,219.41, 4,828.30 and 1,369.57 is: 2,054.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.41 : 4,828.30 = 1,369.57 : x
  2. Step 2: Convert to fraction form
    3,219.41/4,828.30 = 1,369.57/x
  3. Step 3: Cross multiply
    3,219.41x = 4,828.30 × 1,369.57
  4. Step 4: Simplify right side
    3,219.41x = 6,612,694.83
  5. Step 5: Solve for x
    x = 6,612,694.83/3,219.41
  6. Step 6: Final answer
    x = 2,054.01

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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.