Home / 3,696.13-5,542.35-1,230.09

Finding the Fourth Proportional to 3,696.13, 5,542.35 and 1,230.09

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Solution

The fourth proportional to 3,696.13, 5,542.35 and 1,230.09 is: 1,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.13 : 5,542.35 = 1,230.09 : x
  2. Step 2: Convert to fraction form
    3,696.13/5,542.35 = 1,230.09/x
  3. Step 3: Cross multiply
    3,696.13x = 5,542.35 × 1,230.09
  4. Step 4: Simplify right side
    3,696.13x = 6,817,589.31
  5. Step 5: Solve for x
    x = 6,817,589.31/3,696.13
  6. Step 6: Final answer
    x = 1,844.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.