Home / 3,684.30-5,520.97-2,858.50

Finding the Fourth Proportional to 3,684.30, 5,520.97 and 2,858.50

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Solution

The fourth proportional to 3,684.30, 5,520.97 and 2,858.50 is: 4,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.30 : 5,520.97 = 2,858.50 : x
  2. Step 2: Convert to fraction form
    3,684.30/5,520.97 = 2,858.50/x
  3. Step 3: Cross multiply
    3,684.30x = 5,520.97 × 2,858.50
  4. Step 4: Simplify right side
    3,684.30x = 15,781,692.75
  5. Step 5: Solve for x
    x = 15,781,692.75/3,684.30
  6. Step 6: Final answer
    x = 4,283.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.