Home / 3,255.80-4,498.62-2,672.60

Finding the Fourth Proportional to 3,255.80, 4,498.62 and 2,672.60

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Solution

The fourth proportional to 3,255.80, 4,498.62 and 2,672.60 is: 3,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.80 : 4,498.62 = 2,672.60 : x
  2. Step 2: Convert to fraction form
    3,255.80/4,498.62 = 2,672.60/x
  3. Step 3: Cross multiply
    3,255.80x = 4,498.62 × 2,672.60
  4. Step 4: Simplify right side
    3,255.80x = 12,023,011.81
  5. Step 5: Solve for x
    x = 12,023,011.81/3,255.80
  6. Step 6: Final answer
    x = 3,692.80

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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.