Home / 3,260.92-4,500.66-2,128

Finding the Fourth Proportional to 3,260.92, 4,500.66 and 2,128

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Solution

The fourth proportional to 3,260.92, 4,500.66 and 2,128 is: 2,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.92 : 4,500.66 = 2,128 : x
  2. Step 2: Convert to fraction form
    3,260.92/4,500.66 = 2,128/x
  3. Step 3: Cross multiply
    3,260.92x = 4,500.66 × 2,128
  4. Step 4: Simplify right side
    3,260.92x = 9,577,404.48
  5. Step 5: Solve for x
    x = 9,577,404.48/3,260.92
  6. Step 6: Final answer
    x = 2,937.03

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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.