Home / 2,669.21-3,687.25-2,529.09

Finding the Fourth Proportional to 2,669.21, 3,687.25 and 2,529.09

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Solution

The fourth proportional to 2,669.21, 3,687.25 and 2,529.09 is: 3,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.21 : 3,687.25 = 2,529.09 : x
  2. Step 2: Convert to fraction form
    2,669.21/3,687.25 = 2,529.09/x
  3. Step 3: Cross multiply
    2,669.21x = 3,687.25 × 2,529.09
  4. Step 4: Simplify right side
    2,669.21x = 9,325,374.46
  5. Step 5: Solve for x
    x = 9,325,374.46/2,669.21
  6. Step 6: Final answer
    x = 3,493.68

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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.