Home / 3,287.75-4,537.23-1,890.50

Finding the Fourth Proportional to 3,287.75, 4,537.23 and 1,890.50

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Solution

The fourth proportional to 3,287.75, 4,537.23 and 1,890.50 is: 2,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.75 : 4,537.23 = 1,890.50 : x
  2. Step 2: Convert to fraction form
    3,287.75/4,537.23 = 1,890.50/x
  3. Step 3: Cross multiply
    3,287.75x = 4,537.23 × 1,890.50
  4. Step 4: Simplify right side
    3,287.75x = 8,577,633.32
  5. Step 5: Solve for x
    x = 8,577,633.32/3,287.75
  6. Step 6: Final answer
    x = 2,608.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.