Home / 3,148.44-4,723.58-1,299.66

Finding the Fourth Proportional to 3,148.44, 4,723.58 and 1,299.66

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Solution

The fourth proportional to 3,148.44, 4,723.58 and 1,299.66 is: 1,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.44 : 4,723.58 = 1,299.66 : x
  2. Step 2: Convert to fraction form
    3,148.44/4,723.58 = 1,299.66/x
  3. Step 3: Cross multiply
    3,148.44x = 4,723.58 × 1,299.66
  4. Step 4: Simplify right side
    3,148.44x = 6,139,033.52
  5. Step 5: Solve for x
    x = 6,139,033.52/3,148.44
  6. Step 6: Final answer
    x = 1,949.87

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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.