Home / 3,713.38-5,128.43-2,523.68

Finding the Fourth Proportional to 3,713.38, 5,128.43 and 2,523.68

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Solution

The fourth proportional to 3,713.38, 5,128.43 and 2,523.68 is: 3,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.38 : 5,128.43 = 2,523.68 : x
  2. Step 2: Convert to fraction form
    3,713.38/5,128.43 = 2,523.68/x
  3. Step 3: Cross multiply
    3,713.38x = 5,128.43 × 2,523.68
  4. Step 4: Simplify right side
    3,713.38x = 12,942,516.22
  5. Step 5: Solve for x
    x = 12,942,516.22/3,713.38
  6. Step 6: Final answer
    x = 3,485.37

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Half scale
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Double scale
Find fourth proportional to 3,714.38, 5,129.81 and 2,524.68
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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.