Home / 3,805.26-5,250.90-2,126.13

Finding the Fourth Proportional to 3,805.26, 5,250.90 and 2,126.13

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Solution

The fourth proportional to 3,805.26, 5,250.90 and 2,126.13 is: 2,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.26 : 5,250.90 = 2,126.13 : x
  2. Step 2: Convert to fraction form
    3,805.26/5,250.90 = 2,126.13/x
  3. Step 3: Cross multiply
    3,805.26x = 5,250.90 × 2,126.13
  4. Step 4: Simplify right side
    3,805.26x = 11,164,096.02
  5. Step 5: Solve for x
    x = 11,164,096.02/3,805.26
  6. Step 6: Final answer
    x = 2,933.86

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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.