Home / 2,790.68-4,181.58-1,474.38

Finding the Fourth Proportional to 2,790.68, 4,181.58 and 1,474.38

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Solution

The fourth proportional to 2,790.68, 4,181.58 and 1,474.38 is: 2,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.68 : 4,181.58 = 1,474.38 : x
  2. Step 2: Convert to fraction form
    2,790.68/4,181.58 = 1,474.38/x
  3. Step 3: Cross multiply
    2,790.68x = 4,181.58 × 1,474.38
  4. Step 4: Simplify right side
    2,790.68x = 6,165,237.92
  5. Step 5: Solve for x
    x = 6,165,237.92/2,790.68
  6. Step 6: Final answer
    x = 2,209.22

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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.