Home / 3,261.37-4,499.20-1,934.32

Finding the Fourth Proportional to 3,261.37, 4,499.20 and 1,934.32

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Solution

The fourth proportional to 3,261.37, 4,499.20 and 1,934.32 is: 2,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.37 : 4,499.20 = 1,934.32 : x
  2. Step 2: Convert to fraction form
    3,261.37/4,499.20 = 1,934.32/x
  3. Step 3: Cross multiply
    3,261.37x = 4,499.20 × 1,934.32
  4. Step 4: Simplify right side
    3,261.37x = 8,702,892.54
  5. Step 5: Solve for x
    x = 8,702,892.54/3,261.37
  6. Step 6: Final answer
    x = 2,668.48

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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.