Home / 2,996.75-4,492.09-1,239.32

Finding the Fourth Proportional to 2,996.75, 4,492.09 and 1,239.32

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Solution

The fourth proportional to 2,996.75, 4,492.09 and 1,239.32 is: 1,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.75 : 4,492.09 = 1,239.32 : x
  2. Step 2: Convert to fraction form
    2,996.75/4,492.09 = 1,239.32/x
  3. Step 3: Cross multiply
    2,996.75x = 4,492.09 × 1,239.32
  4. Step 4: Simplify right side
    2,996.75x = 5,567,149.76
  5. Step 5: Solve for x
    x = 5,567,149.76/2,996.75
  6. Step 6: Final answer
    x = 1,857.73

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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.