Home / 2,790.92-4,181.85-1,474.61

Finding the Fourth Proportional to 2,790.92, 4,181.85 and 1,474.61

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Solution

The fourth proportional to 2,790.92, 4,181.85 and 1,474.61 is: 2,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.92 : 4,181.85 = 1,474.61 : x
  2. Step 2: Convert to fraction form
    2,790.92/4,181.85 = 1,474.61/x
  3. Step 3: Cross multiply
    2,790.92x = 4,181.85 × 1,474.61
  4. Step 4: Simplify right side
    2,790.92x = 6,166,597.83
  5. Step 5: Solve for x
    x = 6,166,597.83/2,790.92
  6. Step 6: Final answer
    x = 2,209.52

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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.