Home / 3,261.42-4,500.70-1,769.31

Finding the Fourth Proportional to 3,261.42, 4,500.70 and 1,769.31

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Solution

The fourth proportional to 3,261.42, 4,500.70 and 1,769.31 is: 2,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.42 : 4,500.70 = 1,769.31 : x
  2. Step 2: Convert to fraction form
    3,261.42/4,500.70 = 1,769.31/x
  3. Step 3: Cross multiply
    3,261.42x = 4,500.70 × 1,769.31
  4. Step 4: Simplify right side
    3,261.42x = 7,963,129.09
  5. Step 5: Solve for x
    x = 7,963,129.09/3,261.42
  6. Step 6: Final answer
    x = 2,441.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.