Home / 3,276.72-4,520.60-2,158.22

Finding the Fourth Proportional to 3,276.72, 4,520.60 and 2,158.22

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Solution

The fourth proportional to 3,276.72, 4,520.60 and 2,158.22 is: 2,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.72 : 4,520.60 = 2,158.22 : x
  2. Step 2: Convert to fraction form
    3,276.72/4,520.60 = 2,158.22/x
  3. Step 3: Cross multiply
    3,276.72x = 4,520.60 × 2,158.22
  4. Step 4: Simplify right side
    3,276.72x = 9,756,415.94
  5. Step 5: Solve for x
    x = 9,756,415.94/3,276.72
  6. Step 6: Final answer
    x = 2,977.49

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1.5x scale

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.