Home / 3,101.09-4,277.21-2,961.36

Finding the Fourth Proportional to 3,101.09, 4,277.21 and 2,961.36

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Solution

The fourth proportional to 3,101.09, 4,277.21 and 2,961.36 is: 4,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.09 : 4,277.21 = 2,961.36 : x
  2. Step 2: Convert to fraction form
    3,101.09/4,277.21 = 2,961.36/x
  3. Step 3: Cross multiply
    3,101.09x = 4,277.21 × 2,961.36
  4. Step 4: Simplify right side
    3,101.09x = 12,666,343.80
  5. Step 5: Solve for x
    x = 12,666,343.80/3,101.09
  6. Step 6: Final answer
    x = 4,084.49

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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.