Home / 3,696.12-5,549.64-1,509.12

Finding the Fourth Proportional to 3,696.12, 5,549.64 and 1,509.12

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Solution

The fourth proportional to 3,696.12, 5,549.64 and 1,509.12 is: 2,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.12 : 5,549.64 = 1,509.12 : x
  2. Step 2: Convert to fraction form
    3,696.12/5,549.64 = 1,509.12/x
  3. Step 3: Cross multiply
    3,696.12x = 5,549.64 × 1,509.12
  4. Step 4: Simplify right side
    3,696.12x = 8,375,072.72
  5. Step 5: Solve for x
    x = 8,375,072.72/3,696.12
  6. Step 6: Final answer
    x = 2,265.91

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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.