Home / 3,149.33-4,345.88-1,732.96

Finding the Fourth Proportional to 3,149.33, 4,345.88 and 1,732.96

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Solution

The fourth proportional to 3,149.33, 4,345.88 and 1,732.96 is: 2,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.33 : 4,345.88 = 1,732.96 : x
  2. Step 2: Convert to fraction form
    3,149.33/4,345.88 = 1,732.96/x
  3. Step 3: Cross multiply
    3,149.33x = 4,345.88 × 1,732.96
  4. Step 4: Simplify right side
    3,149.33x = 7,531,227.54
  5. Step 5: Solve for x
    x = 7,531,227.54/3,149.33
  6. Step 6: Final answer
    x = 2,391.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.