Home / 4,152.39-6,231.06-1,687.02

Finding the Fourth Proportional to 4,152.39, 6,231.06 and 1,687.02

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Solution

The fourth proportional to 4,152.39, 6,231.06 and 1,687.02 is: 2,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.39 : 6,231.06 = 1,687.02 : x
  2. Step 2: Convert to fraction form
    4,152.39/6,231.06 = 1,687.02/x
  3. Step 3: Cross multiply
    4,152.39x = 6,231.06 × 1,687.02
  4. Step 4: Simplify right side
    4,152.39x = 10,511,922.84
  5. Step 5: Solve for x
    x = 10,511,922.84/4,152.39
  6. Step 6: Final answer
    x = 2,531.54

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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.