Home / 2,631.24-3,945.06-1,169.64

Finding the Fourth Proportional to 2,631.24, 3,945.06 and 1,169.64

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Solution

The fourth proportional to 2,631.24, 3,945.06 and 1,169.64 is: 1,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.24 : 3,945.06 = 1,169.64 : x
  2. Step 2: Convert to fraction form
    2,631.24/3,945.06 = 1,169.64/x
  3. Step 3: Cross multiply
    2,631.24x = 3,945.06 × 1,169.64
  4. Step 4: Simplify right side
    2,631.24x = 4,614,299.98
  5. Step 5: Solve for x
    x = 4,614,299.98/2,631.24
  6. Step 6: Final answer
    x = 1,753.66

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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.