Home / 3,211.58-4,818.42-1,456.38

Finding the Fourth Proportional to 3,211.58, 4,818.42 and 1,456.38

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Solution

The fourth proportional to 3,211.58, 4,818.42 and 1,456.38 is: 2,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.58 : 4,818.42 = 1,456.38 : x
  2. Step 2: Convert to fraction form
    3,211.58/4,818.42 = 1,456.38/x
  3. Step 3: Cross multiply
    3,211.58x = 4,818.42 × 1,456.38
  4. Step 4: Simplify right side
    3,211.58x = 7,017,450.52
  5. Step 5: Solve for x
    x = 7,017,450.52/3,211.58
  6. Step 6: Final answer
    x = 2,185.04

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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.