Home / 3,279.94-4,531.60-2,289.63

Finding the Fourth Proportional to 3,279.94, 4,531.60 and 2,289.63

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Solution

The fourth proportional to 3,279.94, 4,531.60 and 2,289.63 is: 3,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.94 : 4,531.60 = 2,289.63 : x
  2. Step 2: Convert to fraction form
    3,279.94/4,531.60 = 2,289.63/x
  3. Step 3: Cross multiply
    3,279.94x = 4,531.60 × 2,289.63
  4. Step 4: Simplify right side
    3,279.94x = 10,375,681.58
  5. Step 5: Solve for x
    x = 10,375,681.58/3,279.94
  6. Step 6: Final answer
    x = 3,163.38

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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.