Home / 3,206.82-4,425.50-1,931.06

Finding the Fourth Proportional to 3,206.82, 4,425.50 and 1,931.06

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Solution

The fourth proportional to 3,206.82, 4,425.50 and 1,931.06 is: 2,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.82 : 4,425.50 = 1,931.06 : x
  2. Step 2: Convert to fraction form
    3,206.82/4,425.50 = 1,931.06/x
  3. Step 3: Cross multiply
    3,206.82x = 4,425.50 × 1,931.06
  4. Step 4: Simplify right side
    3,206.82x = 8,545,906.03
  5. Step 5: Solve for x
    x = 8,545,906.03/3,206.82
  6. Step 6: Final answer
    x = 2,664.92

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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.