Home / 2,084.06-3,127.30-851.28

Finding the Fourth Proportional to 2,084.06, 3,127.30 and 851.28

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Solution

The fourth proportional to 2,084.06, 3,127.30 and 851.28 is: 1,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.06 : 3,127.30 = 851.28 : x
  2. Step 2: Convert to fraction form
    2,084.06/3,127.30 = 851.28/x
  3. Step 3: Cross multiply
    2,084.06x = 3,127.30 × 851.28
  4. Step 4: Simplify right side
    2,084.06x = 2,662,207.94
  5. Step 5: Solve for x
    x = 2,662,207.94/2,084.06
  6. Step 6: Final answer
    x = 1,277.41

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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.