Home / 3,299.60-4,943.40-2,610.80

Finding the Fourth Proportional to 3,299.60, 4,943.40 and 2,610.80

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Solution

The fourth proportional to 3,299.60, 4,943.40 and 2,610.80 is: 3,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.60 : 4,943.40 = 2,610.80 : x
  2. Step 2: Convert to fraction form
    3,299.60/4,943.40 = 2,610.80/x
  3. Step 3: Cross multiply
    3,299.60x = 4,943.40 × 2,610.80
  4. Step 4: Simplify right side
    3,299.60x = 12,906,228.72
  5. Step 5: Solve for x
    x = 12,906,228.72/3,299.60
  6. Step 6: Final answer
    x = 3,911.45

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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.