Home / 3,149.06-4,723.59-1,299.68

Finding the Fourth Proportional to 3,149.06, 4,723.59 and 1,299.68

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Solution

The fourth proportional to 3,149.06, 4,723.59 and 1,299.68 is: 1,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.06 : 4,723.59 = 1,299.68 : x
  2. Step 2: Convert to fraction form
    3,149.06/4,723.59 = 1,299.68/x
  3. Step 3: Cross multiply
    3,149.06x = 4,723.59 × 1,299.68
  4. Step 4: Simplify right side
    3,149.06x = 6,139,131.83
  5. Step 5: Solve for x
    x = 6,139,131.83/3,149.06
  6. Step 6: Final answer
    x = 1,949.52

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Similar ratio
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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.