Home / 3,620.06-4,992.94-2,628.62

Finding the Fourth Proportional to 3,620.06, 4,992.94 and 2,628.62

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Solution

The fourth proportional to 3,620.06, 4,992.94 and 2,628.62 is: 3,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.06 : 4,992.94 = 2,628.62 : x
  2. Step 2: Convert to fraction form
    3,620.06/4,992.94 = 2,628.62/x
  3. Step 3: Cross multiply
    3,620.06x = 4,992.94 × 2,628.62
  4. Step 4: Simplify right side
    3,620.06x = 13,124,541.94
  5. Step 5: Solve for x
    x = 13,124,541.94/3,620.06
  6. Step 6: Final answer
    x = 3,625.50

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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.