Home / 3,914.41-5,402.01-2,146.00

Finding the Fourth Proportional to 3,914.41, 5,402.01 and 2,146.00

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Solution

The fourth proportional to 3,914.41, 5,402.01 and 2,146.00 is: 2,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.41 : 5,402.01 = 2,146.00 : x
  2. Step 2: Convert to fraction form
    3,914.41/5,402.01 = 2,146.00/x
  3. Step 3: Cross multiply
    3,914.41x = 5,402.01 × 2,146.00
  4. Step 4: Simplify right side
    3,914.41x = 11,592,708.00
  5. Step 5: Solve for x
    x = 11,592,708.00/3,914.41
  6. Step 6: Final answer
    x = 2,961.55

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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.