Home / 2,252.07-3,375.68-1,638.63

Finding the Fourth Proportional to 2,252.07, 3,375.68 and 1,638.63

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Solution

The fourth proportional to 2,252.07, 3,375.68 and 1,638.63 is: 2,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.07 : 3,375.68 = 1,638.63 : x
  2. Step 2: Convert to fraction form
    2,252.07/3,375.68 = 1,638.63/x
  3. Step 3: Cross multiply
    2,252.07x = 3,375.68 × 1,638.63
  4. Step 4: Simplify right side
    2,252.07x = 5,531,482.33
  5. Step 5: Solve for x
    x = 5,531,482.33/2,252.07
  6. Step 6: Final answer
    x = 2,456.18

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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.