Home / 3,803.45-5,248.79-2,102.04

Finding the Fourth Proportional to 3,803.45, 5,248.79 and 2,102.04

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Solution

The fourth proportional to 3,803.45, 5,248.79 and 2,102.04 is: 2,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.45 : 5,248.79 = 2,102.04 : x
  2. Step 2: Convert to fraction form
    3,803.45/5,248.79 = 2,102.04/x
  3. Step 3: Cross multiply
    3,803.45x = 5,248.79 × 2,102.04
  4. Step 4: Simplify right side
    3,803.45x = 11,033,163.90
  5. Step 5: Solve for x
    x = 11,033,163.90/3,803.45
  6. Step 6: Final answer
    x = 2,900.83

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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.