Home / 3,279.72-4,530.60-2,284.50

Finding the Fourth Proportional to 3,279.72, 4,530.60 and 2,284.50

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Solution

The fourth proportional to 3,279.72, 4,530.60 and 2,284.50 is: 3,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.72 : 4,530.60 = 2,284.50 : x
  2. Step 2: Convert to fraction form
    3,279.72/4,530.60 = 2,284.50/x
  3. Step 3: Cross multiply
    3,279.72x = 4,530.60 × 2,284.50
  4. Step 4: Simplify right side
    3,279.72x = 10,350,155.70
  5. Step 5: Solve for x
    x = 10,350,155.70/3,279.72
  6. Step 6: Final answer
    x = 3,155.80

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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.