Home / 3,072.82-4,609.08-1,124.88

Finding the Fourth Proportional to 3,072.82, 4,609.08 and 1,124.88

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Solution

The fourth proportional to 3,072.82, 4,609.08 and 1,124.88 is: 1,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.82 : 4,609.08 = 1,124.88 : x
  2. Step 2: Convert to fraction form
    3,072.82/4,609.08 = 1,124.88/x
  3. Step 3: Cross multiply
    3,072.82x = 4,609.08 × 1,124.88
  4. Step 4: Simplify right side
    3,072.82x = 5,184,661.91
  5. Step 5: Solve for x
    x = 5,184,661.91/3,072.82
  6. Step 6: Final answer
    x = 1,687.27

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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.