Home / 2,479.32-3,719.73-1,181.70

Finding the Fourth Proportional to 2,479.32, 3,719.73 and 1,181.70

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Solution

The fourth proportional to 2,479.32, 3,719.73 and 1,181.70 is: 1,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.32 : 3,719.73 = 1,181.70 : x
  2. Step 2: Convert to fraction form
    2,479.32/3,719.73 = 1,181.70/x
  3. Step 3: Cross multiply
    2,479.32x = 3,719.73 × 1,181.70
  4. Step 4: Simplify right side
    2,479.32x = 4,395,604.94
  5. Step 5: Solve for x
    x = 4,395,604.94/2,479.32
  6. Step 6: Final answer
    x = 1,772.91

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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.