Home / 2,600.10-3,900.83-2,206.04

Finding the Fourth Proportional to 2,600.10, 3,900.83 and 2,206.04

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Solution

The fourth proportional to 2,600.10, 3,900.83 and 2,206.04 is: 3,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.10 : 3,900.83 = 2,206.04 : x
  2. Step 2: Convert to fraction form
    2,600.10/3,900.83 = 2,206.04/x
  3. Step 3: Cross multiply
    2,600.10x = 3,900.83 × 2,206.04
  4. Step 4: Simplify right side
    2,600.10x = 8,605,356.48
  5. Step 5: Solve for x
    x = 8,605,356.48/2,600.10
  6. Step 6: Final answer
    x = 3,309.63

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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.