Home / 2,106.52-3,160.22-719.96

Finding the Fourth Proportional to 2,106.52, 3,160.22 and 719.96

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Solution

The fourth proportional to 2,106.52, 3,160.22 and 719.96 is: 1,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.52 : 3,160.22 = 719.96 : x
  2. Step 2: Convert to fraction form
    2,106.52/3,160.22 = 719.96/x
  3. Step 3: Cross multiply
    2,106.52x = 3,160.22 × 719.96
  4. Step 4: Simplify right side
    2,106.52x = 2,275,231.99
  5. Step 5: Solve for x
    x = 2,275,231.99/2,106.52
  6. Step 6: Final answer
    x = 1,080.09

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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.