Home / 3,788.46-5,680.26-2,485.98

Finding the Fourth Proportional to 3,788.46, 5,680.26 and 2,485.98

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Solution

The fourth proportional to 3,788.46, 5,680.26 and 2,485.98 is: 3,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.46 : 5,680.26 = 2,485.98 : x
  2. Step 2: Convert to fraction form
    3,788.46/5,680.26 = 2,485.98/x
  3. Step 3: Cross multiply
    3,788.46x = 5,680.26 × 2,485.98
  4. Step 4: Simplify right side
    3,788.46x = 14,121,012.75
  5. Step 5: Solve for x
    x = 14,121,012.75/3,788.46
  6. Step 6: Final answer
    x = 3,727.38

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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.