Home / 3,788.22-5,228.55-2,545.50

Finding the Fourth Proportional to 3,788.22, 5,228.55 and 2,545.50

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Solution

The fourth proportional to 3,788.22, 5,228.55 and 2,545.50 is: 3,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.22 : 5,228.55 = 2,545.50 : x
  2. Step 2: Convert to fraction form
    3,788.22/5,228.55 = 2,545.50/x
  3. Step 3: Cross multiply
    3,788.22x = 5,228.55 × 2,545.50
  4. Step 4: Simplify right side
    3,788.22x = 13,309,274.03
  5. Step 5: Solve for x
    x = 13,309,274.03/3,788.22
  6. Step 6: Final answer
    x = 3,513.33

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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.