Home / 3,759.55-5,188.09-2,080.85

Finding the Fourth Proportional to 3,759.55, 5,188.09 and 2,080.85

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Solution

The fourth proportional to 3,759.55, 5,188.09 and 2,080.85 is: 2,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.55 : 5,188.09 = 2,080.85 : x
  2. Step 2: Convert to fraction form
    3,759.55/5,188.09 = 2,080.85/x
  3. Step 3: Cross multiply
    3,759.55x = 5,188.09 × 2,080.85
  4. Step 4: Simplify right side
    3,759.55x = 10,795,626.67
  5. Step 5: Solve for x
    x = 10,795,626.67/3,759.55
  6. Step 6: Final answer
    x = 2,871.52

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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.