Home / 2,513.92-3,764.70-2,072.47

Finding the Fourth Proportional to 2,513.92, 3,764.70 and 2,072.47

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Solution

The fourth proportional to 2,513.92, 3,764.70 and 2,072.47 is: 3,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.92 : 3,764.70 = 2,072.47 : x
  2. Step 2: Convert to fraction form
    2,513.92/3,764.70 = 2,072.47/x
  3. Step 3: Cross multiply
    2,513.92x = 3,764.70 × 2,072.47
  4. Step 4: Simplify right side
    2,513.92x = 7,802,218.40
  5. Step 5: Solve for x
    x = 7,802,218.40/2,513.92
  6. Step 6: Final answer
    x = 3,103.61

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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.