Home / 3,975.57-5,961.69-1,509.03

Finding the Fourth Proportional to 3,975.57, 5,961.69 and 1,509.03

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Solution

The fourth proportional to 3,975.57, 5,961.69 and 1,509.03 is: 2,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.57 : 5,961.69 = 1,509.03 : x
  2. Step 2: Convert to fraction form
    3,975.57/5,961.69 = 1,509.03/x
  3. Step 3: Cross multiply
    3,975.57x = 5,961.69 × 1,509.03
  4. Step 4: Simplify right side
    3,975.57x = 8,996,369.06
  5. Step 5: Solve for x
    x = 8,996,369.06/3,975.57
  6. Step 6: Final answer
    x = 2,262.91

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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.