Home / 3,272.85-4,516.58-1,780.81

Finding the Fourth Proportional to 3,272.85, 4,516.58 and 1,780.81

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Solution

The fourth proportional to 3,272.85, 4,516.58 and 1,780.81 is: 2,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.85 : 4,516.58 = 1,780.81 : x
  2. Step 2: Convert to fraction form
    3,272.85/4,516.58 = 1,780.81/x
  3. Step 3: Cross multiply
    3,272.85x = 4,516.58 × 1,780.81
  4. Step 4: Simplify right side
    3,272.85x = 8,043,150.63
  5. Step 5: Solve for x
    x = 8,043,150.63/3,272.85
  6. Step 6: Final answer
    x = 2,457.54

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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.