Home / 1,917.46-2,876.87-1,096.42

Finding the Fourth Proportional to 1,917.46, 2,876.87 and 1,096.42

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Solution

The fourth proportional to 1,917.46, 2,876.87 and 1,096.42 is: 1,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.46 : 2,876.87 = 1,096.42 : x
  2. Step 2: Convert to fraction form
    1,917.46/2,876.87 = 1,096.42/x
  3. Step 3: Cross multiply
    1,917.46x = 2,876.87 × 1,096.42
  4. Step 4: Simplify right side
    1,917.46x = 3,154,252.58
  5. Step 5: Solve for x
    x = 3,154,252.58/1,917.46
  6. Step 6: Final answer
    x = 1,645.02

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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.