Home / 3,980.70-5,497.99-2,652.10

Finding the Fourth Proportional to 3,980.70, 5,497.99 and 2,652.10

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Solution

The fourth proportional to 3,980.70, 5,497.99 and 2,652.10 is: 3,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.70 : 5,497.99 = 2,652.10 : x
  2. Step 2: Convert to fraction form
    3,980.70/5,497.99 = 2,652.10/x
  3. Step 3: Cross multiply
    3,980.70x = 5,497.99 × 2,652.10
  4. Step 4: Simplify right side
    3,980.70x = 14,581,198.90
  5. Step 5: Solve for x
    x = 14,581,198.90/3,980.70
  6. Step 6: Final answer
    x = 3,662.97

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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.