Home / 3,271.18-4,906.74-1,322.86

Finding the Fourth Proportional to 3,271.18, 4,906.74 and 1,322.86

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Solution

The fourth proportional to 3,271.18, 4,906.74 and 1,322.86 is: 1,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.18 : 4,906.74 = 1,322.86 : x
  2. Step 2: Convert to fraction form
    3,271.18/4,906.74 = 1,322.86/x
  3. Step 3: Cross multiply
    3,271.18x = 4,906.74 × 1,322.86
  4. Step 4: Simplify right side
    3,271.18x = 6,490,930.08
  5. Step 5: Solve for x
    x = 6,490,930.08/3,271.18
  6. Step 6: Final answer
    x = 1,984.28

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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.