Home / 2,720.54-4,080.19-1,332.48

Finding the Fourth Proportional to 2,720.54, 4,080.19 and 1,332.48

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Solution

The fourth proportional to 2,720.54, 4,080.19 and 1,332.48 is: 1,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.54 : 4,080.19 = 1,332.48 : x
  2. Step 2: Convert to fraction form
    2,720.54/4,080.19 = 1,332.48/x
  3. Step 3: Cross multiply
    2,720.54x = 4,080.19 × 1,332.48
  4. Step 4: Simplify right side
    2,720.54x = 5,436,771.57
  5. Step 5: Solve for x
    x = 5,436,771.57/2,720.54
  6. Step 6: Final answer
    x = 1,998.42

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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.