Home / 3,209.57-4,426.75-2,216.51

Finding the Fourth Proportional to 3,209.57, 4,426.75 and 2,216.51

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Solution

The fourth proportional to 3,209.57, 4,426.75 and 2,216.51 is: 3,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.57 : 4,426.75 = 2,216.51 : x
  2. Step 2: Convert to fraction form
    3,209.57/4,426.75 = 2,216.51/x
  3. Step 3: Cross multiply
    3,209.57x = 4,426.75 × 2,216.51
  4. Step 4: Simplify right side
    3,209.57x = 9,811,935.64
  5. Step 5: Solve for x
    x = 9,811,935.64/3,209.57
  6. Step 6: Final answer
    x = 3,057.09

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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.