Home / 3,887.41-5,364.02-2,185.85

Finding the Fourth Proportional to 3,887.41, 5,364.02 and 2,185.85

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Solution

The fourth proportional to 3,887.41, 5,364.02 and 2,185.85 is: 3,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.41 : 5,364.02 = 2,185.85 : x
  2. Step 2: Convert to fraction form
    3,887.41/5,364.02 = 2,185.85/x
  3. Step 3: Cross multiply
    3,887.41x = 5,364.02 × 2,185.85
  4. Step 4: Simplify right side
    3,887.41x = 11,724,961.99
  5. Step 5: Solve for x
    x = 11,724,961.99/3,887.41
  6. Step 6: Final answer
    x = 3,016.14

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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.