Home / 3,308.50-4,959.40-2,076.78

Finding the Fourth Proportional to 3,308.50, 4,959.40 and 2,076.78

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Solution

The fourth proportional to 3,308.50, 4,959.40 and 2,076.78 is: 3,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.50 : 4,959.40 = 2,076.78 : x
  2. Step 2: Convert to fraction form
    3,308.50/4,959.40 = 2,076.78/x
  3. Step 3: Cross multiply
    3,308.50x = 4,959.40 × 2,076.78
  4. Step 4: Simplify right side
    3,308.50x = 10,299,582.73
  5. Step 5: Solve for x
    x = 10,299,582.73/3,308.50
  6. Step 6: Final answer
    x = 3,113.07

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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.