Home / 3,784.86-5,217.62-2,458.08

Finding the Fourth Proportional to 3,784.86, 5,217.62 and 2,458.08

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Solution

The fourth proportional to 3,784.86, 5,217.62 and 2,458.08 is: 3,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.86 : 5,217.62 = 2,458.08 : x
  2. Step 2: Convert to fraction form
    3,784.86/5,217.62 = 2,458.08/x
  3. Step 3: Cross multiply
    3,784.86x = 5,217.62 × 2,458.08
  4. Step 4: Simplify right side
    3,784.86x = 12,825,315.08
  5. Step 5: Solve for x
    x = 12,825,315.08/3,784.86
  6. Step 6: Final answer
    x = 3,388.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.