Home / 3,091.98-4,638.19-1,011.43

Finding the Fourth Proportional to 3,091.98, 4,638.19 and 1,011.43

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Solution

The fourth proportional to 3,091.98, 4,638.19 and 1,011.43 is: 1,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.98 : 4,638.19 = 1,011.43 : x
  2. Step 2: Convert to fraction form
    3,091.98/4,638.19 = 1,011.43/x
  3. Step 3: Cross multiply
    3,091.98x = 4,638.19 × 1,011.43
  4. Step 4: Simplify right side
    3,091.98x = 4,691,204.51
  5. Step 5: Solve for x
    x = 4,691,204.51/3,091.98
  6. Step 6: Final answer
    x = 1,517.22

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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.