Home / 3,151.82-4,349.48-1,825.44

Finding the Fourth Proportional to 3,151.82, 4,349.48 and 1,825.44

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Solution

The fourth proportional to 3,151.82, 4,349.48 and 1,825.44 is: 2,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.82 : 4,349.48 = 1,825.44 : x
  2. Step 2: Convert to fraction form
    3,151.82/4,349.48 = 1,825.44/x
  3. Step 3: Cross multiply
    3,151.82x = 4,349.48 × 1,825.44
  4. Step 4: Simplify right side
    3,151.82x = 7,939,705.64
  5. Step 5: Solve for x
    x = 7,939,705.64/3,151.82
  6. Step 6: Final answer
    x = 2,519.09

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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.