Home / 2,939.35-4,052.76-2,540.29

Finding the Fourth Proportional to 2,939.35, 4,052.76 and 2,540.29

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Solution

The fourth proportional to 2,939.35, 4,052.76 and 2,540.29 is: 3,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.35 : 4,052.76 = 2,540.29 : x
  2. Step 2: Convert to fraction form
    2,939.35/4,052.76 = 2,540.29/x
  3. Step 3: Cross multiply
    2,939.35x = 4,052.76 × 2,540.29
  4. Step 4: Simplify right side
    2,939.35x = 10,295,185.70
  5. Step 5: Solve for x
    x = 10,295,185.70/2,939.35
  6. Step 6: Final answer
    x = 3,502.54

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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.