Home / 3,142.81-4,714.22-1,196.38

Finding the Fourth Proportional to 3,142.81, 4,714.22 and 1,196.38

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Solution

The fourth proportional to 3,142.81, 4,714.22 and 1,196.38 is: 1,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.81 : 4,714.22 = 1,196.38 : x
  2. Step 2: Convert to fraction form
    3,142.81/4,714.22 = 1,196.38/x
  3. Step 3: Cross multiply
    3,142.81x = 4,714.22 × 1,196.38
  4. Step 4: Simplify right side
    3,142.81x = 5,639,992.54
  5. Step 5: Solve for x
    x = 5,639,992.54/3,142.81
  6. Step 6: Final answer
    x = 1,794.57

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1.5x scale

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.