Home / 3,146.55-4,719.87-1,367.21

Finding the Fourth Proportional to 3,146.55, 4,719.87 and 1,367.21

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Solution

The fourth proportional to 3,146.55, 4,719.87 and 1,367.21 is: 2,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.55 : 4,719.87 = 1,367.21 : x
  2. Step 2: Convert to fraction form
    3,146.55/4,719.87 = 1,367.21/x
  3. Step 3: Cross multiply
    3,146.55x = 4,719.87 × 1,367.21
  4. Step 4: Simplify right side
    3,146.55x = 6,453,029.86
  5. Step 5: Solve for x
    x = 6,453,029.86/3,146.55
  6. Step 6: Final answer
    x = 2,050.83

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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.