Home / 4,149.09-5,717.78-2,654.40

Finding the Fourth Proportional to 4,149.09, 5,717.78 and 2,654.40

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Solution

The fourth proportional to 4,149.09, 5,717.78 and 2,654.40 is: 3,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.09 : 5,717.78 = 2,654.40 : x
  2. Step 2: Convert to fraction form
    4,149.09/5,717.78 = 2,654.40/x
  3. Step 3: Cross multiply
    4,149.09x = 5,717.78 × 2,654.40
  4. Step 4: Simplify right side
    4,149.09x = 15,177,261.96
  5. Step 5: Solve for x
    x = 15,177,261.96/4,149.09
  6. Step 6: Final answer
    x = 3,657.97

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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.