Home / 3,579-4,939.02-2,007.60

Finding the Fourth Proportional to 3,579, 4,939.02 and 2,007.60

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Solution

The fourth proportional to 3,579, 4,939.02 and 2,007.60 is: 2,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579 : 4,939.02 = 2,007.60 : x
  2. Step 2: Convert to fraction form
    3,579/4,939.02 = 2,007.60/x
  3. Step 3: Cross multiply
    3,579x = 4,939.02 × 2,007.60
  4. Step 4: Simplify right side
    3,579x = 9,915,576.55
  5. Step 5: Solve for x
    x = 9,915,576.55/3,579
  6. Step 6: Final answer
    x = 2,770.49

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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.