Home / 4,103.88-6,154.48-1,638.04

Finding the Fourth Proportional to 4,103.88, 6,154.48 and 1,638.04

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Solution

The fourth proportional to 4,103.88, 6,154.48 and 1,638.04 is: 2,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.88 : 6,154.48 = 1,638.04 : x
  2. Step 2: Convert to fraction form
    4,103.88/6,154.48 = 1,638.04/x
  3. Step 3: Cross multiply
    4,103.88x = 6,154.48 × 1,638.04
  4. Step 4: Simplify right side
    4,103.88x = 10,081,284.42
  5. Step 5: Solve for x
    x = 10,081,284.42/4,103.88
  6. Step 6: Final answer
    x = 2,456.53

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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.