Home / 3,669.30-5,493.60-2,857.05

Finding the Fourth Proportional to 3,669.30, 5,493.60 and 2,857.05

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Solution

The fourth proportional to 3,669.30, 5,493.60 and 2,857.05 is: 4,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.30 : 5,493.60 = 2,857.05 : x
  2. Step 2: Convert to fraction form
    3,669.30/5,493.60 = 2,857.05/x
  3. Step 3: Cross multiply
    3,669.30x = 5,493.60 × 2,857.05
  4. Step 4: Simplify right side
    3,669.30x = 15,695,489.88
  5. Step 5: Solve for x
    x = 15,695,489.88/3,669.30
  6. Step 6: Final answer
    x = 4,277.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.