Home / 3,914.48-5,401.94-2,146.08

Finding the Fourth Proportional to 3,914.48, 5,401.94 and 2,146.08

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Solution

The fourth proportional to 3,914.48, 5,401.94 and 2,146.08 is: 2,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.48 : 5,401.94 = 2,146.08 : x
  2. Step 2: Convert to fraction form
    3,914.48/5,401.94 = 2,146.08/x
  3. Step 3: Cross multiply
    3,914.48x = 5,401.94 × 2,146.08
  4. Step 4: Simplify right side
    3,914.48x = 11,592,995.40
  5. Step 5: Solve for x
    x = 11,592,995.40/3,914.48
  6. Step 6: Final answer
    x = 2,961.57

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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.