Home / 2,839.50-4,261.68-1,109.34

Finding the Fourth Proportional to 2,839.50, 4,261.68 and 1,109.34

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Solution

The fourth proportional to 2,839.50, 4,261.68 and 1,109.34 is: 1,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.50 : 4,261.68 = 1,109.34 : x
  2. Step 2: Convert to fraction form
    2,839.50/4,261.68 = 1,109.34/x
  3. Step 3: Cross multiply
    2,839.50x = 4,261.68 × 1,109.34
  4. Step 4: Simplify right side
    2,839.50x = 4,727,652.09
  5. Step 5: Solve for x
    x = 4,727,652.09/2,839.50
  6. Step 6: Final answer
    x = 1,664.96

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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.