Home / 3,272.70-4,888.23-2,811.81

Finding the Fourth Proportional to 3,272.70, 4,888.23 and 2,811.81

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Solution

The fourth proportional to 3,272.70, 4,888.23 and 2,811.81 is: 4,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.70 : 4,888.23 = 2,811.81 : x
  2. Step 2: Convert to fraction form
    3,272.70/4,888.23 = 2,811.81/x
  3. Step 3: Cross multiply
    3,272.70x = 4,888.23 × 2,811.81
  4. Step 4: Simplify right side
    3,272.70x = 13,744,774.00
  5. Step 5: Solve for x
    x = 13,744,774.00/3,272.70
  6. Step 6: Final answer
    x = 4,199.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.