Home / 3,271.15-4,906.95-1,081.42

Finding the Fourth Proportional to 3,271.15, 4,906.95 and 1,081.42

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Solution

The fourth proportional to 3,271.15, 4,906.95 and 1,081.42 is: 1,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.15 : 4,906.95 = 1,081.42 : x
  2. Step 2: Convert to fraction form
    3,271.15/4,906.95 = 1,081.42/x
  3. Step 3: Cross multiply
    3,271.15x = 4,906.95 × 1,081.42
  4. Step 4: Simplify right side
    3,271.15x = 5,306,461.60
  5. Step 5: Solve for x
    x = 5,306,461.60/3,271.15
  6. Step 6: Final answer
    x = 1,622.20

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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.