Home / 2,983.88-4,474.22-2,638.04

Finding the Fourth Proportional to 2,983.88, 4,474.22 and 2,638.04

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Solution

The fourth proportional to 2,983.88, 4,474.22 and 2,638.04 is: 3,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.88 : 4,474.22 = 2,638.04 : x
  2. Step 2: Convert to fraction form
    2,983.88/4,474.22 = 2,638.04/x
  3. Step 3: Cross multiply
    2,983.88x = 4,474.22 × 2,638.04
  4. Step 4: Simplify right side
    2,983.88x = 11,803,171.33
  5. Step 5: Solve for x
    x = 11,803,171.33/2,983.88
  6. Step 6: Final answer
    x = 3,955.65

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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.