Home / 3,759.16-5,186.80-2,498.80

Finding the Fourth Proportional to 3,759.16, 5,186.80 and 2,498.80

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Solution

The fourth proportional to 3,759.16, 5,186.80 and 2,498.80 is: 3,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.16 : 5,186.80 = 2,498.80 : x
  2. Step 2: Convert to fraction form
    3,759.16/5,186.80 = 2,498.80/x
  3. Step 3: Cross multiply
    3,759.16x = 5,186.80 × 2,498.80
  4. Step 4: Simplify right side
    3,759.16x = 12,960,775.84
  5. Step 5: Solve for x
    x = 12,960,775.84/3,759.16
  6. Step 6: Final answer
    x = 3,447.79

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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.