Home / 3,290.46-4,935.94-1,099.18

Finding the Fourth Proportional to 3,290.46, 4,935.94 and 1,099.18

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Solution

The fourth proportional to 3,290.46, 4,935.94 and 1,099.18 is: 1,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.46 : 4,935.94 = 1,099.18 : x
  2. Step 2: Convert to fraction form
    3,290.46/4,935.94 = 1,099.18/x
  3. Step 3: Cross multiply
    3,290.46x = 4,935.94 × 1,099.18
  4. Step 4: Simplify right side
    3,290.46x = 5,425,486.53
  5. Step 5: Solve for x
    x = 5,425,486.53/3,290.46
  6. Step 6: Final answer
    x = 1,648.85

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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.