Home / 2,754.33-4,127.43-2,170.74

Finding the Fourth Proportional to 2,754.33, 4,127.43 and 2,170.74

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Solution

The fourth proportional to 2,754.33, 4,127.43 and 2,170.74 is: 3,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.33 : 4,127.43 = 2,170.74 : x
  2. Step 2: Convert to fraction form
    2,754.33/4,127.43 = 2,170.74/x
  3. Step 3: Cross multiply
    2,754.33x = 4,127.43 × 2,170.74
  4. Step 4: Simplify right side
    2,754.33x = 8,959,577.40
  5. Step 5: Solve for x
    x = 8,959,577.40/2,754.33
  6. Step 6: Final answer
    x = 3,252.91

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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.