Home / 2,025.12-3,043.68-1,680.64

Finding the Fourth Proportional to 2,025.12, 3,043.68 and 1,680.64

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Solution

The fourth proportional to 2,025.12, 3,043.68 and 1,680.64 is: 2,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.12 : 3,043.68 = 1,680.64 : x
  2. Step 2: Convert to fraction form
    2,025.12/3,043.68 = 1,680.64/x
  3. Step 3: Cross multiply
    2,025.12x = 3,043.68 × 1,680.64
  4. Step 4: Simplify right side
    2,025.12x = 5,115,330.36
  5. Step 5: Solve for x
    x = 5,115,330.36/2,025.12
  6. Step 6: Final answer
    x = 2,525.94

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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.