Home / 2,736.02-4,104.75-861.83

Finding the Fourth Proportional to 2,736.02, 4,104.75 and 861.83

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Solution

The fourth proportional to 2,736.02, 4,104.75 and 861.83 is: 1,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.02 : 4,104.75 = 861.83 : x
  2. Step 2: Convert to fraction form
    2,736.02/4,104.75 = 861.83/x
  3. Step 3: Cross multiply
    2,736.02x = 4,104.75 × 861.83
  4. Step 4: Simplify right side
    2,736.02x = 3,537,592.38
  5. Step 5: Solve for x
    x = 3,537,592.38/2,736.02
  6. Step 6: Final answer
    x = 1,292.97

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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.