Home / 3,148.97-4,723.68-1,299.59

Finding the Fourth Proportional to 3,148.97, 4,723.68 and 1,299.59

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Solution

The fourth proportional to 3,148.97, 4,723.68 and 1,299.59 is: 1,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.97 : 4,723.68 = 1,299.59 : x
  2. Step 2: Convert to fraction form
    3,148.97/4,723.68 = 1,299.59/x
  3. Step 3: Cross multiply
    3,148.97x = 4,723.68 × 1,299.59
  4. Step 4: Simplify right side
    3,148.97x = 6,138,823.67
  5. Step 5: Solve for x
    x = 6,138,823.67/3,148.97
  6. Step 6: Final answer
    x = 1,949.47

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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.