Home / 3,278.24-4,525.60-2,235.78

Finding the Fourth Proportional to 3,278.24, 4,525.60 and 2,235.78

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Solution

The fourth proportional to 3,278.24, 4,525.60 and 2,235.78 is: 3,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.24 : 4,525.60 = 2,235.78 : x
  2. Step 2: Convert to fraction form
    3,278.24/4,525.60 = 2,235.78/x
  3. Step 3: Cross multiply
    3,278.24x = 4,525.60 × 2,235.78
  4. Step 4: Simplify right side
    3,278.24x = 10,118,245.97
  5. Step 5: Solve for x
    x = 10,118,245.97/3,278.24
  6. Step 6: Final answer
    x = 3,086.49

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Double scale
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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.