Home / 3,805.09-5,250.93-2,126.37

Finding the Fourth Proportional to 3,805.09, 5,250.93 and 2,126.37

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Solution

The fourth proportional to 3,805.09, 5,250.93 and 2,126.37 is: 2,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.09 : 5,250.93 = 2,126.37 : x
  2. Step 2: Convert to fraction form
    3,805.09/5,250.93 = 2,126.37/x
  3. Step 3: Cross multiply
    3,805.09x = 5,250.93 × 2,126.37
  4. Step 4: Simplify right side
    3,805.09x = 11,165,420.02
  5. Step 5: Solve for x
    x = 11,165,420.02/3,805.09
  6. Step 6: Final answer
    x = 2,934.34

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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.