Home / 3,635.60-5,016.72-2,219.63

Finding the Fourth Proportional to 3,635.60, 5,016.72 and 2,219.63

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Solution

The fourth proportional to 3,635.60, 5,016.72 and 2,219.63 is: 3,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.60 : 5,016.72 = 2,219.63 : x
  2. Step 2: Convert to fraction form
    3,635.60/5,016.72 = 2,219.63/x
  3. Step 3: Cross multiply
    3,635.60x = 5,016.72 × 2,219.63
  4. Step 4: Simplify right side
    3,635.60x = 11,135,274.14
  5. Step 5: Solve for x
    x = 11,135,274.14/3,635.60
  6. Step 6: Final answer
    x = 3,062.84

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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.