Home / 3,338.60-5,001.90-2,649.80

Finding the Fourth Proportional to 3,338.60, 5,001.90 and 2,649.80

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Solution

The fourth proportional to 3,338.60, 5,001.90 and 2,649.80 is: 3,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.60 : 5,001.90 = 2,649.80 : x
  2. Step 2: Convert to fraction form
    3,338.60/5,001.90 = 2,649.80/x
  3. Step 3: Cross multiply
    3,338.60x = 5,001.90 × 2,649.80
  4. Step 4: Simplify right side
    3,338.60x = 13,254,034.62
  5. Step 5: Solve for x
    x = 13,254,034.62/3,338.60
  6. Step 6: Final answer
    x = 3,969.94

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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.