Home / 3,462.78-5,195.69-1,272.14

Finding the Fourth Proportional to 3,462.78, 5,195.69 and 1,272.14

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Solution

The fourth proportional to 3,462.78, 5,195.69 and 1,272.14 is: 1,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.78 : 5,195.69 = 1,272.14 : x
  2. Step 2: Convert to fraction form
    3,462.78/5,195.69 = 1,272.14/x
  3. Step 3: Cross multiply
    3,462.78x = 5,195.69 × 1,272.14
  4. Step 4: Simplify right side
    3,462.78x = 6,609,645.08
  5. Step 5: Solve for x
    x = 6,609,645.08/3,462.78
  6. Step 6: Final answer
    x = 1,908.77

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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.