Home / 3,759.20-5,185.86-2,434.04

Finding the Fourth Proportional to 3,759.20, 5,185.86 and 2,434.04

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Solution

The fourth proportional to 3,759.20, 5,185.86 and 2,434.04 is: 3,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.20 : 5,185.86 = 2,434.04 : x
  2. Step 2: Convert to fraction form
    3,759.20/5,185.86 = 2,434.04/x
  3. Step 3: Cross multiply
    3,759.20x = 5,185.86 × 2,434.04
  4. Step 4: Simplify right side
    3,759.20x = 12,622,590.67
  5. Step 5: Solve for x
    x = 12,622,590.67/3,759.20
  6. Step 6: Final answer
    x = 3,357.79

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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.