Home / 3,314.11-4,990.89-2,886.43

Finding the Fourth Proportional to 3,314.11, 4,990.89 and 2,886.43

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Solution

The fourth proportional to 3,314.11, 4,990.89 and 2,886.43 is: 4,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.11 : 4,990.89 = 2,886.43 : x
  2. Step 2: Convert to fraction form
    3,314.11/4,990.89 = 2,886.43/x
  3. Step 3: Cross multiply
    3,314.11x = 4,990.89 × 2,886.43
  4. Step 4: Simplify right side
    3,314.11x = 14,405,861.84
  5. Step 5: Solve for x
    x = 14,405,861.84/3,314.11
  6. Step 6: Final answer
    x = 4,346.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.