Home / 3,175.70-4,382.79-1,849.33

Finding the Fourth Proportional to 3,175.70, 4,382.79 and 1,849.33

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Solution

The fourth proportional to 3,175.70, 4,382.79 and 1,849.33 is: 2,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.70 : 4,382.79 = 1,849.33 : x
  2. Step 2: Convert to fraction form
    3,175.70/4,382.79 = 1,849.33/x
  3. Step 3: Cross multiply
    3,175.70x = 4,382.79 × 1,849.33
  4. Step 4: Simplify right side
    3,175.70x = 8,105,203.12
  5. Step 5: Solve for x
    x = 8,105,203.12/3,175.70
  6. Step 6: Final answer
    x = 2,552.26

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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.