Home / 3,185.82-4,781.36-1,626.97

Finding the Fourth Proportional to 3,185.82, 4,781.36 and 1,626.97

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Solution

The fourth proportional to 3,185.82, 4,781.36 and 1,626.97 is: 2,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.82 : 4,781.36 = 1,626.97 : x
  2. Step 2: Convert to fraction form
    3,185.82/4,781.36 = 1,626.97/x
  3. Step 3: Cross multiply
    3,185.82x = 4,781.36 × 1,626.97
  4. Step 4: Simplify right side
    3,185.82x = 7,779,129.28
  5. Step 5: Solve for x
    x = 7,779,129.28/3,185.82
  6. Step 6: Final answer
    x = 2,441.80

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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.