Home / 3,211.68-4,815.29-1,544.89

Finding the Fourth Proportional to 3,211.68, 4,815.29 and 1,544.89

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Solution

The fourth proportional to 3,211.68, 4,815.29 and 1,544.89 is: 2,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.68 : 4,815.29 = 1,544.89 : x
  2. Step 2: Convert to fraction form
    3,211.68/4,815.29 = 1,544.89/x
  3. Step 3: Cross multiply
    3,211.68x = 4,815.29 × 1,544.89
  4. Step 4: Simplify right side
    3,211.68x = 7,439,093.37
  5. Step 5: Solve for x
    x = 7,439,093.37/3,211.68
  6. Step 6: Final answer
    x = 2,316.26

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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.