Home / 3,896.67-5,377.36-2,403.99

Finding the Fourth Proportional to 3,896.67, 5,377.36 and 2,403.99

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Solution

The fourth proportional to 3,896.67, 5,377.36 and 2,403.99 is: 3,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.67 : 5,377.36 = 2,403.99 : x
  2. Step 2: Convert to fraction form
    3,896.67/5,377.36 = 2,403.99/x
  3. Step 3: Cross multiply
    3,896.67x = 5,377.36 × 2,403.99
  4. Step 4: Simplify right side
    3,896.67x = 12,927,119.67
  5. Step 5: Solve for x
    x = 12,927,119.67/3,896.67
  6. Step 6: Final answer
    x = 3,317.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.