Home / 3,296.60-4,938.90-2,607.80

Finding the Fourth Proportional to 3,296.60, 4,938.90 and 2,607.80

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Solution

The fourth proportional to 3,296.60, 4,938.90 and 2,607.80 is: 3,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.60 : 4,938.90 = 2,607.80 : x
  2. Step 2: Convert to fraction form
    3,296.60/4,938.90 = 2,607.80/x
  3. Step 3: Cross multiply
    3,296.60x = 4,938.90 × 2,607.80
  4. Step 4: Simplify right side
    3,296.60x = 12,879,663.42
  5. Step 5: Solve for x
    x = 12,879,663.42/3,296.60
  6. Step 6: Final answer
    x = 3,906.95

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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.