Home / 2,813.54-4,214.99-1,581.83

Finding the Fourth Proportional to 2,813.54, 4,214.99 and 1,581.83

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Solution

The fourth proportional to 2,813.54, 4,214.99 and 1,581.83 is: 2,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.54 : 4,214.99 = 1,581.83 : x
  2. Step 2: Convert to fraction form
    2,813.54/4,214.99 = 1,581.83/x
  3. Step 3: Cross multiply
    2,813.54x = 4,214.99 × 1,581.83
  4. Step 4: Simplify right side
    2,813.54x = 6,667,387.42
  5. Step 5: Solve for x
    x = 6,667,387.42/2,813.54
  6. Step 6: Final answer
    x = 2,369.75

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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.