Home / 3,620.14-4,990.34-2,832.82

Finding the Fourth Proportional to 3,620.14, 4,990.34 and 2,832.82

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Solution

The fourth proportional to 3,620.14, 4,990.34 and 2,832.82 is: 3,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.14 : 4,990.34 = 2,832.82 : x
  2. Step 2: Convert to fraction form
    3,620.14/4,990.34 = 2,832.82/x
  3. Step 3: Cross multiply
    3,620.14x = 4,990.34 × 2,832.82
  4. Step 4: Simplify right side
    3,620.14x = 14,136,734.96
  5. Step 5: Solve for x
    x = 14,136,734.96/3,620.14
  6. Step 6: Final answer
    x = 3,905.02

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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.