Home / 3,102.22-4,647.90-2,585.54

Finding the Fourth Proportional to 3,102.22, 4,647.90 and 2,585.54

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Solution

The fourth proportional to 3,102.22, 4,647.90 and 2,585.54 is: 3,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.22 : 4,647.90 = 2,585.54 : x
  2. Step 2: Convert to fraction form
    3,102.22/4,647.90 = 2,585.54/x
  3. Step 3: Cross multiply
    3,102.22x = 4,647.90 × 2,585.54
  4. Step 4: Simplify right side
    3,102.22x = 12,017,331.37
  5. Step 5: Solve for x
    x = 12,017,331.37/3,102.22
  6. Step 6: Final answer
    x = 3,873.78

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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.