Home / 3,618.07-4,992.84-2,125.64

Finding the Fourth Proportional to 3,618.07, 4,992.84 and 2,125.64

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Solution

The fourth proportional to 3,618.07, 4,992.84 and 2,125.64 is: 2,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.07 : 4,992.84 = 2,125.64 : x
  2. Step 2: Convert to fraction form
    3,618.07/4,992.84 = 2,125.64/x
  3. Step 3: Cross multiply
    3,618.07x = 4,992.84 × 2,125.64
  4. Step 4: Simplify right side
    3,618.07x = 10,612,992.90
  5. Step 5: Solve for x
    x = 10,612,992.90/3,618.07
  6. Step 6: Final answer
    x = 2,933.33

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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.