Home / 3,447.45-4,759.74-2,649.33

Finding the Fourth Proportional to 3,447.45, 4,759.74 and 2,649.33

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Solution

The fourth proportional to 3,447.45, 4,759.74 and 2,649.33 is: 3,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.45 : 4,759.74 = 2,649.33 : x
  2. Step 2: Convert to fraction form
    3,447.45/4,759.74 = 2,649.33/x
  3. Step 3: Cross multiply
    3,447.45x = 4,759.74 × 2,649.33
  4. Step 4: Simplify right side
    3,447.45x = 12,610,121.97
  5. Step 5: Solve for x
    x = 12,610,121.97/3,447.45
  6. Step 6: Final answer
    x = 3,657.81

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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.