Home / 3,696.68-5,101.72-2,125.28

Finding the Fourth Proportional to 3,696.68, 5,101.72 and 2,125.28

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Solution

The fourth proportional to 3,696.68, 5,101.72 and 2,125.28 is: 2,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.68 : 5,101.72 = 2,125.28 : x
  2. Step 2: Convert to fraction form
    3,696.68/5,101.72 = 2,125.28/x
  3. Step 3: Cross multiply
    3,696.68x = 5,101.72 × 2,125.28
  4. Step 4: Simplify right side
    3,696.68x = 10,842,583.48
  5. Step 5: Solve for x
    x = 10,842,583.48/3,696.68
  6. Step 6: Final answer
    x = 2,933.06

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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.