Home / 2,851.22-4,277.34-902.97

Finding the Fourth Proportional to 2,851.22, 4,277.34 and 902.97

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Solution

The fourth proportional to 2,851.22, 4,277.34 and 902.97 is: 1,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.22 : 4,277.34 = 902.97 : x
  2. Step 2: Convert to fraction form
    2,851.22/4,277.34 = 902.97/x
  3. Step 3: Cross multiply
    2,851.22x = 4,277.34 × 902.97
  4. Step 4: Simplify right side
    2,851.22x = 3,862,309.70
  5. Step 5: Solve for x
    x = 3,862,309.70/2,851.22
  6. Step 6: Final answer
    x = 1,354.62

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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.