Home / 3,788.64-5,228.52-2,217.64

Finding the Fourth Proportional to 3,788.64, 5,228.52 and 2,217.64

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Solution

The fourth proportional to 3,788.64, 5,228.52 and 2,217.64 is: 3,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.64 : 5,228.52 = 2,217.64 : x
  2. Step 2: Convert to fraction form
    3,788.64/5,228.52 = 2,217.64/x
  3. Step 3: Cross multiply
    3,788.64x = 5,228.52 × 2,217.64
  4. Step 4: Simplify right side
    3,788.64x = 11,594,975.09
  5. Step 5: Solve for x
    x = 11,594,975.09/3,788.64
  6. Step 6: Final answer
    x = 3,060.46

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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.