Home / 3,917.65-5,873.80-1,451.15

Finding the Fourth Proportional to 3,917.65, 5,873.80 and 1,451.15

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Solution

The fourth proportional to 3,917.65, 5,873.80 and 1,451.15 is: 2,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.65 : 5,873.80 = 1,451.15 : x
  2. Step 2: Convert to fraction form
    3,917.65/5,873.80 = 1,451.15/x
  3. Step 3: Cross multiply
    3,917.65x = 5,873.80 × 1,451.15
  4. Step 4: Simplify right side
    3,917.65x = 8,523,764.87
  5. Step 5: Solve for x
    x = 8,523,764.87/3,917.65
  6. Step 6: Final answer
    x = 2,175.73

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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.