Home / 2,276.46-3,415.68-1,181.61

Finding the Fourth Proportional to 2,276.46, 3,415.68 and 1,181.61

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Solution

The fourth proportional to 2,276.46, 3,415.68 and 1,181.61 is: 1,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.46 : 3,415.68 = 1,181.61 : x
  2. Step 2: Convert to fraction form
    2,276.46/3,415.68 = 1,181.61/x
  3. Step 3: Cross multiply
    2,276.46x = 3,415.68 × 1,181.61
  4. Step 4: Simplify right side
    2,276.46x = 4,036,001.64
  5. Step 5: Solve for x
    x = 4,036,001.64/2,276.46
  6. Step 6: Final answer
    x = 1,772.93

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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.