Home / 2,638.08-3,956.13-1,469.88

Finding the Fourth Proportional to 2,638.08, 3,956.13 and 1,469.88

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Solution

The fourth proportional to 2,638.08, 3,956.13 and 1,469.88 is: 2,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.08 : 3,956.13 = 1,469.88 : x
  2. Step 2: Convert to fraction form
    2,638.08/3,956.13 = 1,469.88/x
  3. Step 3: Cross multiply
    2,638.08x = 3,956.13 × 1,469.88
  4. Step 4: Simplify right side
    2,638.08x = 5,815,036.36
  5. Step 5: Solve for x
    x = 5,815,036.36/2,638.08
  6. Step 6: Final answer
    x = 2,204.27

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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.