Home / 3,206.64-4,425.44-1,809.64

Finding the Fourth Proportional to 3,206.64, 4,425.44 and 1,809.64

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Solution

The fourth proportional to 3,206.64, 4,425.44 and 1,809.64 is: 2,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.64 : 4,425.44 = 1,809.64 : x
  2. Step 2: Convert to fraction form
    3,206.64/4,425.44 = 1,809.64/x
  3. Step 3: Cross multiply
    3,206.64x = 4,425.44 × 1,809.64
  4. Step 4: Simplify right side
    3,206.64x = 8,008,453.24
  5. Step 5: Solve for x
    x = 8,008,453.24/3,206.64
  6. Step 6: Final answer
    x = 2,497.46

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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.