Home / 3,805.08-5,250.77-2,211.60

Finding the Fourth Proportional to 3,805.08, 5,250.77 and 2,211.60

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Solution

The fourth proportional to 3,805.08, 5,250.77 and 2,211.60 is: 3,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.08 : 5,250.77 = 2,211.60 : x
  2. Step 2: Convert to fraction form
    3,805.08/5,250.77 = 2,211.60/x
  3. Step 3: Cross multiply
    3,805.08x = 5,250.77 × 2,211.60
  4. Step 4: Simplify right side
    3,805.08x = 11,612,632.30
  5. Step 5: Solve for x
    x = 11,612,632.30/3,805.08
  6. Step 6: Final answer
    x = 3,051.88

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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.