Home / 3,261.75-4,501.19-1,769.72

Finding the Fourth Proportional to 3,261.75, 4,501.19 and 1,769.72

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Solution

The fourth proportional to 3,261.75, 4,501.19 and 1,769.72 is: 2,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.75 : 4,501.19 = 1,769.72 : x
  2. Step 2: Convert to fraction form
    3,261.75/4,501.19 = 1,769.72/x
  3. Step 3: Cross multiply
    3,261.75x = 4,501.19 × 1,769.72
  4. Step 4: Simplify right side
    3,261.75x = 7,965,814.61
  5. Step 5: Solve for x
    x = 7,965,814.61/3,261.75
  6. Step 6: Final answer
    x = 2,442.19

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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.