Home / 3,781.89-5,675.57-3,235.14

Finding the Fourth Proportional to 3,781.89, 5,675.57 and 3,235.14

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Solution

The fourth proportional to 3,781.89, 5,675.57 and 3,235.14 is: 4,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.89 : 5,675.57 = 3,235.14 : x
  2. Step 2: Convert to fraction form
    3,781.89/5,675.57 = 3,235.14/x
  3. Step 3: Cross multiply
    3,781.89x = 5,675.57 × 3,235.14
  4. Step 4: Simplify right side
    3,781.89x = 18,361,259.49
  5. Step 5: Solve for x
    x = 18,361,259.49/3,781.89
  6. Step 6: Final answer
    x = 4,855.05

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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.