Home / 3,230.60-4,456.50-2,625.80

Finding the Fourth Proportional to 3,230.60, 4,456.50 and 2,625.80

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Solution

The fourth proportional to 3,230.60, 4,456.50 and 2,625.80 is: 3,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.60 : 4,456.50 = 2,625.80 : x
  2. Step 2: Convert to fraction form
    3,230.60/4,456.50 = 2,625.80/x
  3. Step 3: Cross multiply
    3,230.60x = 4,456.50 × 2,625.80
  4. Step 4: Simplify right side
    3,230.60x = 11,701,877.70
  5. Step 5: Solve for x
    x = 11,701,877.70/3,230.60
  6. Step 6: Final answer
    x = 3,622.20

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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.