Home / 3,276.72-4,521.87-1,784.64

Finding the Fourth Proportional to 3,276.72, 4,521.87 and 1,784.64

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Solution

The fourth proportional to 3,276.72, 4,521.87 and 1,784.64 is: 2,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.72 : 4,521.87 = 1,784.64 : x
  2. Step 2: Convert to fraction form
    3,276.72/4,521.87 = 1,784.64/x
  3. Step 3: Cross multiply
    3,276.72x = 4,521.87 × 1,784.64
  4. Step 4: Simplify right side
    3,276.72x = 8,069,910.08
  5. Step 5: Solve for x
    x = 8,069,910.08/3,276.72
  6. Step 6: Final answer
    x = 2,462.80

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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.