Home / 4,108.38-5,669.56-2,638.94

Finding the Fourth Proportional to 4,108.38, 5,669.56 and 2,638.94

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Solution

The fourth proportional to 4,108.38, 5,669.56 and 2,638.94 is: 3,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.38 : 5,669.56 = 2,638.94 : x
  2. Step 2: Convert to fraction form
    4,108.38/5,669.56 = 2,638.94/x
  3. Step 3: Cross multiply
    4,108.38x = 5,669.56 × 2,638.94
  4. Step 4: Simplify right side
    4,108.38x = 14,961,593.72
  5. Step 5: Solve for x
    x = 14,961,593.72/4,108.38
  6. Step 6: Final answer
    x = 3,641.73

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1.5x scale

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.