Home / 2,727.42-4,089.68-1,083.12

Finding the Fourth Proportional to 2,727.42, 4,089.68 and 1,083.12

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Solution

The fourth proportional to 2,727.42, 4,089.68 and 1,083.12 is: 1,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.42 : 4,089.68 = 1,083.12 : x
  2. Step 2: Convert to fraction form
    2,727.42/4,089.68 = 1,083.12/x
  3. Step 3: Cross multiply
    2,727.42x = 4,089.68 × 1,083.12
  4. Step 4: Simplify right side
    2,727.42x = 4,429,614.20
  5. Step 5: Solve for x
    x = 4,429,614.20/2,727.42
  6. Step 6: Final answer
    x = 1,624.10

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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.