Home / 3,788.55-5,682.72-2,239.29

Finding the Fourth Proportional to 3,788.55, 5,682.72 and 2,239.29

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Solution

The fourth proportional to 3,788.55, 5,682.72 and 2,239.29 is: 3,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.55 : 5,682.72 = 2,239.29 : x
  2. Step 2: Convert to fraction form
    3,788.55/5,682.72 = 2,239.29/x
  3. Step 3: Cross multiply
    3,788.55x = 5,682.72 × 2,239.29
  4. Step 4: Simplify right side
    3,788.55x = 12,725,258.07
  5. Step 5: Solve for x
    x = 12,725,258.07/3,788.55
  6. Step 6: Final answer
    x = 3,358.87

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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.