Home / 3,276.40-4,905.96-1,732.72

Finding the Fourth Proportional to 3,276.40, 4,905.96 and 1,732.72

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Solution

The fourth proportional to 3,276.40, 4,905.96 and 1,732.72 is: 2,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.40 : 4,905.96 = 1,732.72 : x
  2. Step 2: Convert to fraction form
    3,276.40/4,905.96 = 1,732.72/x
  3. Step 3: Cross multiply
    3,276.40x = 4,905.96 × 1,732.72
  4. Step 4: Simplify right side
    3,276.40x = 8,500,655.01
  5. Step 5: Solve for x
    x = 8,500,655.01/3,276.40
  6. Step 6: Final answer
    x = 2,594.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.